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Finding the Third Proportional to 147,423.75 and 220,903.88

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Solution

The third proportional to 147,423.75 and 220,903.88 is: 331,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,423.75 : 220,903.88 = 220,903.88 : x
  2. Step 2: Convert to fraction form
    147,423.75/220,903.88 = 220,903.88/x
  3. Step 3: Cross multiply
    147,423.75x = 220,903.88 × 220,903.88
  4. Step 4: Simplify right side
    147,423.75x = 48,798,521,990.02
  5. Step 5: Solve for x
    x = 48,798,521,990.02/147,423.75
  6. Step 6: Final answer
    x = 331,008.55

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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.