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Finding the Third Proportional to 10,531,713 and 15,728,072

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Solution

The third proportional to 10,531,713 and 15,728,072 is: 23,488,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,713 : 15,728,072 = 15,728,072 : x
  2. Step 2: Convert to fraction form
    10,531,713/15,728,072 = 15,728,072/x
  3. Step 3: Cross multiply
    10,531,713x = 15,728,072 × 15,728,072
  4. Step 4: Simplify right side
    10,531,713x = 247,372,248,837,184
  5. Step 5: Solve for x
    x = 247,372,248,837,184/10,531,713
  6. Step 6: Final answer
    x = 23,488,320.36

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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.