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Finding the Third Proportional to 15,759 and 23,686.50

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Solution

The third proportional to 15,759 and 23,686.50 is: 35,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759 : 23,686.50 = 23,686.50 : x
  2. Step 2: Convert to fraction form
    15,759/23,686.50 = 23,686.50/x
  3. Step 3: Cross multiply
    15,759x = 23,686.50 × 23,686.50
  4. Step 4: Simplify right side
    15,759x = 561,050,282.25
  5. Step 5: Solve for x
    x = 561,050,282.25/15,759
  6. Step 6: Final answer
    x = 35,601.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.