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Finding the Third Proportional to 90,294.75 and 195,655.50

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Solution

The third proportional to 90,294.75 and 195,655.50 is: 423,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,294.75 : 195,655.50 = 195,655.50 : x
  2. Step 2: Convert to fraction form
    90,294.75/195,655.50 = 195,655.50/x
  3. Step 3: Cross multiply
    90,294.75x = 195,655.50 × 195,655.50
  4. Step 4: Simplify right side
    90,294.75x = 38,281,074,680.25
  5. Step 5: Solve for x
    x = 38,281,074,680.25/90,294.75
  6. Step 6: Final answer
    x = 423,956.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.