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Finding the Third Proportional to 9,472,717 and 19,935,687

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Solution

The third proportional to 9,472,717 and 19,935,687 is: 41,955,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472,717 : 19,935,687 = 19,935,687 : x
  2. Step 2: Convert to fraction form
    9,472,717/19,935,687 = 19,935,687/x
  3. Step 3: Cross multiply
    9,472,717x = 19,935,687 × 19,935,687
  4. Step 4: Simplify right side
    9,472,717x = 397,431,616,161,969
  5. Step 5: Solve for x
    x = 397,431,616,161,969/9,472,717
  6. Step 6: Final answer
    x = 41,955,398.45

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.