Home / 298,044-648,480

Finding the Third Proportional to 298,044 and 648,480

Calculator

Solution

The third proportional to 298,044 and 648,480 is: 1,410,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,044 : 648,480 = 648,480 : x
  2. Step 2: Convert to fraction form
    298,044/648,480 = 648,480/x
  3. Step 3: Cross multiply
    298,044x = 648,480 × 648,480
  4. Step 4: Simplify right side
    298,044x = 420,526,310,400
  5. Step 5: Solve for x
    x = 420,526,310,400/298,044
  6. Step 6: Final answer
    x = 1,410,953.79

Related Problems

Find third proportional to 149,022 and 324,240
Half scale
Find third proportional to 596,088 and 1,296,960
Double scale
Find third proportional to 298,046 and 648,484
Similar ratio
Find third proportional to 447,066 and 972,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.