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Finding the Third Proportional to 9,687,681 and 15,609,348

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Solution

The third proportional to 9,687,681 and 15,609,348 is: 25,150,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687,681 : 15,609,348 = 15,609,348 : x
  2. Step 2: Convert to fraction form
    9,687,681/15,609,348 = 15,609,348/x
  3. Step 3: Cross multiply
    9,687,681x = 15,609,348 × 15,609,348
  4. Step 4: Simplify right side
    9,687,681x = 243,651,744,985,104
  5. Step 5: Solve for x
    x = 243,651,744,985,104/9,687,681
  6. Step 6: Final answer
    x = 25,150,677.96

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.