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Finding the Third Proportional to 136,653 and 191,088

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Solution

The third proportional to 136,653 and 191,088 is: 267,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,653 : 191,088 = 191,088 : x
  2. Step 2: Convert to fraction form
    136,653/191,088 = 191,088/x
  3. Step 3: Cross multiply
    136,653x = 191,088 × 191,088
  4. Step 4: Simplify right side
    136,653x = 36,514,623,744
  5. Step 5: Solve for x
    x = 36,514,623,744/136,653
  6. Step 6: Final answer
    x = 267,206.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.