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Finding the Third Proportional to 12,974,767 and 28,539,489

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Solution

The third proportional to 12,974,767 and 28,539,489 is: 62,775,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,767 : 28,539,489 = 28,539,489 : x
  2. Step 2: Convert to fraction form
    12,974,767/28,539,489 = 28,539,489/x
  3. Step 3: Cross multiply
    12,974,767x = 28,539,489 × 28,539,489
  4. Step 4: Simplify right side
    12,974,767x = 814,502,432,381,121
  5. Step 5: Solve for x
    x = 814,502,432,381,121/12,974,767
  6. Step 6: Final answer
    x = 62,775,881.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.