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Finding the Third Proportional to 8,577 and 12,957.50

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Solution

The third proportional to 8,577 and 12,957.50 is: 19,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577 : 12,957.50 = 12,957.50 : x
  2. Step 2: Convert to fraction form
    8,577/12,957.50 = 12,957.50/x
  3. Step 3: Cross multiply
    8,577x = 12,957.50 × 12,957.50
  4. Step 4: Simplify right side
    8,577x = 167,896,806.25
  5. Step 5: Solve for x
    x = 167,896,806.25/8,577
  6. Step 6: Final answer
    x = 19,575.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.