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Finding the Third Proportional to 240,132 and 517,506

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Solution

The third proportional to 240,132 and 517,506 is: 1,115,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,132 : 517,506 = 517,506 : x
  2. Step 2: Convert to fraction form
    240,132/517,506 = 517,506/x
  3. Step 3: Cross multiply
    240,132x = 517,506 × 517,506
  4. Step 4: Simplify right side
    240,132x = 267,812,460,036
  5. Step 5: Solve for x
    x = 267,812,460,036/240,132
  6. Step 6: Final answer
    x = 1,115,271.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.