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Finding the Third Proportional to 12,866,463 and 28,291,716

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Solution

The third proportional to 12,866,463 and 28,291,716 is: 62,209,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,463 : 28,291,716 = 28,291,716 : x
  2. Step 2: Convert to fraction form
    12,866,463/28,291,716 = 28,291,716/x
  3. Step 3: Cross multiply
    12,866,463x = 28,291,716 × 28,291,716
  4. Step 4: Simplify right side
    12,866,463x = 800,421,194,224,656
  5. Step 5: Solve for x
    x = 800,421,194,224,656/12,866,463
  6. Step 6: Final answer
    x = 62,209,885.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.