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Finding the Third Proportional to 79,036.50 and 140,529.75

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Solution

The third proportional to 79,036.50 and 140,529.75 is: 249,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.50 : 140,529.75 = 140,529.75 : x
  2. Step 2: Convert to fraction form
    79,036.50/140,529.75 = 140,529.75/x
  3. Step 3: Cross multiply
    79,036.50x = 140,529.75 × 140,529.75
  4. Step 4: Simplify right side
    79,036.50x = 19,748,610,635.06
  5. Step 5: Solve for x
    x = 19,748,610,635.06/79,036.50
  6. Step 6: Final answer
    x = 249,866.97

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.