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Finding the Third Proportional to 4,487,613 and 9,787,482

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Solution

The third proportional to 4,487,613 and 9,787,482 is: 21,346,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487,613 : 9,787,482 = 9,787,482 : x
  2. Step 2: Convert to fraction form
    4,487,613/9,787,482 = 9,787,482/x
  3. Step 3: Cross multiply
    4,487,613x = 9,787,482 × 9,787,482
  4. Step 4: Simplify right side
    4,487,613x = 95,794,803,900,324
  5. Step 5: Solve for x
    x = 95,794,803,900,324/4,487,613
  6. Step 6: Final answer
    x = 21,346,493.98

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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.