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Finding the Third Proportional to 4,487,615 and 9,787,486

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Solution

The third proportional to 4,487,615 and 9,787,486 is: 21,346,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487,615 : 9,787,486 = 9,787,486 : x
  2. Step 2: Convert to fraction form
    4,487,615/9,787,486 = 9,787,486/x
  3. Step 3: Cross multiply
    4,487,615x = 9,787,486 × 9,787,486
  4. Step 4: Simplify right side
    4,487,615x = 95,794,882,200,196
  5. Step 5: Solve for x
    x = 95,794,882,200,196/4,487,615
  6. Step 6: Final answer
    x = 21,346,501.92

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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.