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Finding the Third Proportional to 157,569 and 337,288

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Solution

The third proportional to 157,569 and 337,288 is: 721,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,569 : 337,288 = 337,288 : x
  2. Step 2: Convert to fraction form
    157,569/337,288 = 337,288/x
  3. Step 3: Cross multiply
    157,569x = 337,288 × 337,288
  4. Step 4: Simplify right side
    157,569x = 113,763,194,944
  5. Step 5: Solve for x
    x = 113,763,194,944/157,569
  6. Step 6: Final answer
    x = 721,989.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.