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Finding the Third Proportional to 155,551 and 240,616

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Solution

The third proportional to 155,551 and 240,616 is: 372,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,551 : 240,616 = 240,616 : x
  2. Step 2: Convert to fraction form
    155,551/240,616 = 240,616/x
  3. Step 3: Cross multiply
    155,551x = 240,616 × 240,616
  4. Step 4: Simplify right side
    155,551x = 57,896,059,456
  5. Step 5: Solve for x
    x = 57,896,059,456/155,551
  6. Step 6: Final answer
    x = 372,199.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.