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Finding the Third Proportional to 138,613.50 and 302,104.13

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Solution

The third proportional to 138,613.50 and 302,104.13 is: 658,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,613.50 : 302,104.13 = 302,104.13 : x
  2. Step 2: Convert to fraction form
    138,613.50/302,104.13 = 302,104.13/x
  3. Step 3: Cross multiply
    138,613.50x = 302,104.13 × 302,104.13
  4. Step 4: Simplify right side
    138,613.50x = 91,266,902,342.02
  5. Step 5: Solve for x
    x = 91,266,902,342.02/138,613.50
  6. Step 6: Final answer
    x = 658,427.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.