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Finding the Third Proportional to 75,310.50 and 116,611.13

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Solution

The third proportional to 75,310.50 and 116,611.13 is: 180,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.50 : 116,611.13 = 116,611.13 : x
  2. Step 2: Convert to fraction form
    75,310.50/116,611.13 = 116,611.13/x
  3. Step 3: Cross multiply
    75,310.50x = 116,611.13 × 116,611.13
  4. Step 4: Simplify right side
    75,310.50x = 13,598,154,473.77
  5. Step 5: Solve for x
    x = 13,598,154,473.77/75,310.50
  6. Step 6: Final answer
    x = 180,561.20

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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.