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Finding the Third Proportional to 5,390,250 and 11,687,025

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Solution

The third proportional to 5,390,250 and 11,687,025 is: 25,339,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,250 : 11,687,025 = 11,687,025 : x
  2. Step 2: Convert to fraction form
    5,390,250/11,687,025 = 11,687,025/x
  3. Step 3: Cross multiply
    5,390,250x = 11,687,025 × 11,687,025
  4. Step 4: Simplify right side
    5,390,250x = 136,586,553,350,625
  5. Step 5: Solve for x
    x = 136,586,553,350,625/5,390,250
  6. Step 6: Final answer
    x = 25,339,558.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.