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Finding the Third Proportional to 240,534 and 521,892

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Solution

The third proportional to 240,534 and 521,892 is: 1,132,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,534 : 521,892 = 521,892 : x
  2. Step 2: Convert to fraction form
    240,534/521,892 = 521,892/x
  3. Step 3: Cross multiply
    240,534x = 521,892 × 521,892
  4. Step 4: Simplify right side
    240,534x = 272,371,259,664
  5. Step 5: Solve for x
    x = 272,371,259,664/240,534
  6. Step 6: Final answer
    x = 1,132,360.75

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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.