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Finding the Third Proportional to 359,934 and 558,765

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Solution

The third proportional to 359,934 and 558,765 is: 867,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,934 : 558,765 = 558,765 : x
  2. Step 2: Convert to fraction form
    359,934/558,765 = 558,765/x
  3. Step 3: Cross multiply
    359,934x = 558,765 × 558,765
  4. Step 4: Simplify right side
    359,934x = 312,218,325,225
  5. Step 5: Solve for x
    x = 312,218,325,225/359,934
  6. Step 6: Final answer
    x = 867,432.15

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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.