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Finding the Third Proportional to 91,763.50 and 129,225.75

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Solution

The third proportional to 91,763.50 and 129,225.75 is: 181,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,763.50 : 129,225.75 = 129,225.75 : x
  2. Step 2: Convert to fraction form
    91,763.50/129,225.75 = 129,225.75/x
  3. Step 3: Cross multiply
    91,763.50x = 129,225.75 × 129,225.75
  4. Step 4: Simplify right side
    91,763.50x = 16,699,294,463.06
  5. Step 5: Solve for x
    x = 16,699,294,463.06/91,763.50
  6. Step 6: Final answer
    x = 181,981.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.