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Finding the Third Proportional to 51,613.50 and 75,428.25

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Solution

The third proportional to 51,613.50 and 75,428.25 is: 110,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,613.50 : 75,428.25 = 75,428.25 : x
  2. Step 2: Convert to fraction form
    51,613.50/75,428.25 = 75,428.25/x
  3. Step 3: Cross multiply
    51,613.50x = 75,428.25 × 75,428.25
  4. Step 4: Simplify right side
    51,613.50x = 5,689,420,898.06
  5. Step 5: Solve for x
    x = 5,689,420,898.06/51,613.50
  6. Step 6: Final answer
    x = 110,231.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.