Home / 299,093-645,148

Finding the Third Proportional to 299,093 and 645,148

Calculator

Solution

The third proportional to 299,093 and 645,148 is: 1,391,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,093 : 645,148 = 645,148 : x
  2. Step 2: Convert to fraction form
    299,093/645,148 = 645,148/x
  3. Step 3: Cross multiply
    299,093x = 645,148 × 645,148
  4. Step 4: Simplify right side
    299,093x = 416,215,941,904
  5. Step 5: Solve for x
    x = 416,215,941,904/299,093
  6. Step 6: Final answer
    x = 1,391,593.72

Related Problems

Find third proportional to 149,546.50 and 322,574
Half scale
Find third proportional to 598,186 and 1,290,296
Double scale
Find third proportional to 299,095 and 645,152
Similar ratio
Find third proportional to 448,639.50 and 967,722
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.