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Finding the Third Proportional to 240,152 and 517,540

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Solution

The third proportional to 240,152 and 517,540 is: 1,115,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,152 : 517,540 = 517,540 : x
  2. Step 2: Convert to fraction form
    240,152/517,540 = 517,540/x
  3. Step 3: Cross multiply
    240,152x = 517,540 × 517,540
  4. Step 4: Simplify right side
    240,152x = 267,847,651,600
  5. Step 5: Solve for x
    x = 267,847,651,600/240,152
  6. Step 6: Final answer
    x = 1,115,325.51

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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.