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Finding the Third Proportional to 124,800 and 255,432

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Solution

The third proportional to 124,800 and 255,432 is: 522,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,800 : 255,432 = 255,432 : x
  2. Step 2: Convert to fraction form
    124,800/255,432 = 255,432/x
  3. Step 3: Cross multiply
    124,800x = 255,432 × 255,432
  4. Step 4: Simplify right side
    124,800x = 65,245,506,624
  5. Step 5: Solve for x
    x = 65,245,506,624/124,800
  6. Step 6: Final answer
    x = 522,800.53

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.