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Finding the Third Proportional to 10,705,376 and 15,260,902

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Solution

The third proportional to 10,705,376 and 15,260,902 is: 21,754,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705,376 : 15,260,902 = 15,260,902 : x
  2. Step 2: Convert to fraction form
    10,705,376/15,260,902 = 15,260,902/x
  3. Step 3: Cross multiply
    10,705,376x = 15,260,902 × 15,260,902
  4. Step 4: Simplify right side
    10,705,376x = 232,895,129,853,604
  5. Step 5: Solve for x
    x = 232,895,129,853,604/10,705,376
  6. Step 6: Final answer
    x = 21,754,969.64

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.