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Finding the Third Proportional to 4,193,750 and 9,172,508

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Solution

The third proportional to 4,193,750 and 9,172,508 is: 20,061,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193,750 : 9,172,508 = 9,172,508 : x
  2. Step 2: Convert to fraction form
    4,193,750/9,172,508 = 9,172,508/x
  3. Step 3: Cross multiply
    4,193,750x = 9,172,508 × 9,172,508
  4. Step 4: Simplify right side
    4,193,750x = 84,134,903,010,064
  5. Step 5: Solve for x
    x = 84,134,903,010,064/4,193,750
  6. Step 6: Final answer
    x = 20,061,973.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.