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Finding the Third Proportional to 62,931,896 and 136,938,760

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Solution

The third proportional to 62,931,896 and 136,938,760 is: 297,976,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931,896 : 136,938,760 = 136,938,760 : x
  2. Step 2: Convert to fraction form
    62,931,896/136,938,760 = 136,938,760/x
  3. Step 3: Cross multiply
    62,931,896x = 136,938,760 × 136,938,760
  4. Step 4: Simplify right side
    62,931,896x = 18,752,223,990,337,600
  5. Step 5: Solve for x
    x = 18,752,223,990,337,600/62,931,896
  6. Step 6: Final answer
    x = 297,976,466.34

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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.