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Finding the Third Proportional to 4,487,605 and 9,787,466

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Solution

The third proportional to 4,487,605 and 9,787,466 is: 21,346,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487,605 : 9,787,466 = 9,787,466 : x
  2. Step 2: Convert to fraction form
    4,487,605/9,787,466 = 9,787,466/x
  3. Step 3: Cross multiply
    4,487,605x = 9,787,466 × 9,787,466
  4. Step 4: Simplify right side
    4,487,605x = 95,794,490,701,156
  5. Step 5: Solve for x
    x = 95,794,490,701,156/4,487,605
  6. Step 6: Final answer
    x = 21,346,462.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.