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Finding the Third Proportional to 90,502.88 and 119,011.50

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Solution

The third proportional to 90,502.88 and 119,011.50 is: 156,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502.88 : 119,011.50 = 119,011.50 : x
  2. Step 2: Convert to fraction form
    90,502.88/119,011.50 = 119,011.50/x
  3. Step 3: Cross multiply
    90,502.88x = 119,011.50 × 119,011.50
  4. Step 4: Simplify right side
    90,502.88x = 14,163,737,132.25
  5. Step 5: Solve for x
    x = 14,163,737,132.25/90,502.88
  6. Step 6: Final answer
    x = 156,500.41

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.