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Finding the Third Proportional to 10,531,711.13 and 15,728,068.69

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Solution

The third proportional to 10,531,711.13 and 15,728,068.69 is: 23,488,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,711.13 : 15,728,068.69 = 15,728,068.69 : x
  2. Step 2: Convert to fraction form
    10,531,711.13/15,728,068.69 = 15,728,068.69/x
  3. Step 3: Cross multiply
    10,531,711.13x = 15,728,068.69 × 15,728,068.69
  4. Step 4: Simplify right side
    10,531,711.13x = 247,372,144,638,717.97
  5. Step 5: Solve for x
    x = 247,372,144,638,717.97/10,531,711.13
  6. Step 6: Final answer
    x = 23,488,314.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.