Home / 298,508,072-645,911,632

Finding the Third Proportional to 298,508,072 and 645,911,632

Calculator

Solution

The third proportional to 298,508,072 and 645,911,632 is: 1,397,623,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,508,072 : 645,911,632 = 645,911,632 : x
  2. Step 2: Convert to fraction form
    298,508,072/645,911,632 = 645,911,632/x
  3. Step 3: Cross multiply
    298,508,072x = 645,911,632 × 645,911,632
  4. Step 4: Simplify right side
    298,508,072x = 417,201,836,352,903,424
  5. Step 5: Solve for x
    x = 417,201,836,352,903,424/298,508,072
  6. Step 6: Final answer
    x = 1,397,623,298.95

Related Problems

Find third proportional to 149,254,036 and 322,955,816
Half scale
Find third proportional to 597,016,144 and 1,291,823,264
Double scale
Find third proportional to 298,508,074 and 645,911,636
Similar ratio
Find third proportional to 447,762,108 and 968,867,448
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.