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Finding the Third Proportional to 261,306.75 and 572,436.75

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Solution

The third proportional to 261,306.75 and 572,436.75 is: 1,254,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,306.75 : 572,436.75 = 572,436.75 : x
  2. Step 2: Convert to fraction form
    261,306.75/572,436.75 = 572,436.75/x
  3. Step 3: Cross multiply
    261,306.75x = 572,436.75 × 572,436.75
  4. Step 4: Simplify right side
    261,306.75x = 327,683,832,750.56
  5. Step 5: Solve for x
    x = 327,683,832,750.56/261,306.75
  6. Step 6: Final answer
    x = 1,254,019.78

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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.