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Finding the Third Proportional to 8,127 and 15,409.50

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Solution

The third proportional to 8,127 and 15,409.50 is: 29,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127 : 15,409.50 = 15,409.50 : x
  2. Step 2: Convert to fraction form
    8,127/15,409.50 = 15,409.50/x
  3. Step 3: Cross multiply
    8,127x = 15,409.50 × 15,409.50
  4. Step 4: Simplify right side
    8,127x = 237,452,690.25
  5. Step 5: Solve for x
    x = 237,452,690.25/8,127
  6. Step 6: Final answer
    x = 29,217.75

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.