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Finding the Third Proportional to 270,389 and 625,931

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Solution

The third proportional to 270,389 and 625,931 is: 1,448,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,389 : 625,931 = 625,931 : x
  2. Step 2: Convert to fraction form
    270,389/625,931 = 625,931/x
  3. Step 3: Cross multiply
    270,389x = 625,931 × 625,931
  4. Step 4: Simplify right side
    270,389x = 391,789,616,761
  5. Step 5: Solve for x
    x = 391,789,616,761/270,389
  6. Step 6: Final answer
    x = 1,448,985.04

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.