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Finding the Third Proportional to 8,673 and 18,712.50

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Solution

The third proportional to 8,673 and 18,712.50 is: 40,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673 : 18,712.50 = 18,712.50 : x
  2. Step 2: Convert to fraction form
    8,673/18,712.50 = 18,712.50/x
  3. Step 3: Cross multiply
    8,673x = 18,712.50 × 18,712.50
  4. Step 4: Simplify right side
    8,673x = 350,157,656.25
  5. Step 5: Solve for x
    x = 350,157,656.25/8,673
  6. Step 6: Final answer
    x = 40,373.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.