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Finding the Third Proportional to 155,540 and 233,432

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Solution

The third proportional to 155,540 and 233,432 is: 350,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,540 : 233,432 = 233,432 : x
  2. Step 2: Convert to fraction form
    155,540/233,432 = 233,432/x
  3. Step 3: Cross multiply
    155,540x = 233,432 × 233,432
  4. Step 4: Simplify right side
    155,540x = 54,490,498,624
  5. Step 5: Solve for x
    x = 54,490,498,624/155,540
  6. Step 6: Final answer
    x = 350,331.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.