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Finding the Third Proportional to 12,915,984 and 28,101,894

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Solution

The third proportional to 12,915,984 and 28,101,894 is: 61,142,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,984 : 28,101,894 = 28,101,894 : x
  2. Step 2: Convert to fraction form
    12,915,984/28,101,894 = 28,101,894/x
  3. Step 3: Cross multiply
    12,915,984x = 28,101,894 × 28,101,894
  4. Step 4: Simplify right side
    12,915,984x = 789,716,446,387,236
  5. Step 5: Solve for x
    x = 789,716,446,387,236/12,915,984
  6. Step 6: Final answer
    x = 61,142,569.27

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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.