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Finding the Third Proportional to 267,544.69 and 391,718.53

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Solution

The third proportional to 267,544.69 and 391,718.53 is: 573,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,544.69 : 391,718.53 = 391,718.53 : x
  2. Step 2: Convert to fraction form
    267,544.69/391,718.53 = 391,718.53/x
  3. Step 3: Cross multiply
    267,544.69x = 391,718.53 × 391,718.53
  4. Step 4: Simplify right side
    267,544.69x = 153,443,407,724.66
  5. Step 5: Solve for x
    x = 153,443,407,724.66/267,544.69
  6. Step 6: Final answer
    x = 573,524.41

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.