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Finding the Third Proportional to 237,672 and 516,328

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Solution

The third proportional to 237,672 and 516,328 is: 1,121,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,672 : 516,328 = 516,328 : x
  2. Step 2: Convert to fraction form
    237,672/516,328 = 516,328/x
  3. Step 3: Cross multiply
    237,672x = 516,328 × 516,328
  4. Step 4: Simplify right side
    237,672x = 266,594,603,584
  5. Step 5: Solve for x
    x = 266,594,603,584/237,672
  6. Step 6: Final answer
    x = 1,121,691.25

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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.