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Finding the Third Proportional to 58,785.75 and 91,140.19

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Solution

The third proportional to 58,785.75 and 91,140.19 is: 141,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,785.75 : 91,140.19 = 91,140.19 : x
  2. Step 2: Convert to fraction form
    58,785.75/91,140.19 = 91,140.19/x
  3. Step 3: Cross multiply
    58,785.75x = 91,140.19 × 91,140.19
  4. Step 4: Simplify right side
    58,785.75x = 8,306,533,777.54
  5. Step 5: Solve for x
    x = 8,306,533,777.54/58,785.75
  6. Step 6: Final answer
    x = 141,301.83

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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.