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Finding the Third Proportional to 13,381,854 and 28,489,980

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Solution

The third proportional to 13,381,854 and 28,489,980 is: 60,655,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,854 : 28,489,980 = 28,489,980 : x
  2. Step 2: Convert to fraction form
    13,381,854/28,489,980 = 28,489,980/x
  3. Step 3: Cross multiply
    13,381,854x = 28,489,980 × 28,489,980
  4. Step 4: Simplify right side
    13,381,854x = 811,678,960,400,400
  5. Step 5: Solve for x
    x = 811,678,960,400,400/13,381,854
  6. Step 6: Final answer
    x = 60,655,194.74

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.