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Finding the Third Proportional to 18,114.89 and 38,908.48

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Solution

The third proportional to 18,114.89 and 38,908.48 is: 83,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.89 : 38,908.48 = 38,908.48 : x
  2. Step 2: Convert to fraction form
    18,114.89/38,908.48 = 38,908.48/x
  3. Step 3: Cross multiply
    18,114.89x = 38,908.48 × 38,908.48
  4. Step 4: Simplify right side
    18,114.89x = 1,513,869,548.41
  5. Step 5: Solve for x
    x = 1,513,869,548.41/18,114.89
  6. Step 6: Final answer
    x = 83,570.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.