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Finding the Third Proportional to 162,534.38 and 391,554

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Solution

The third proportional to 162,534.38 and 391,554 is: 943,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,534.38 : 391,554 = 391,554 : x
  2. Step 2: Convert to fraction form
    162,534.38/391,554 = 391,554/x
  3. Step 3: Cross multiply
    162,534.38x = 391,554 × 391,554
  4. Step 4: Simplify right side
    162,534.38x = 153,314,534,916
  5. Step 5: Solve for x
    x = 153,314,534,916/162,534.38
  6. Step 6: Final answer
    x = 943,274.52

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.