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Finding the Third Proportional to 136,818 and 293,866

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Solution

The third proportional to 136,818 and 293,866 is: 631,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,818 : 293,866 = 293,866 : x
  2. Step 2: Convert to fraction form
    136,818/293,866 = 293,866/x
  3. Step 3: Cross multiply
    136,818x = 293,866 × 293,866
  4. Step 4: Simplify right side
    136,818x = 86,357,225,956
  5. Step 5: Solve for x
    x = 86,357,225,956/136,818
  6. Step 6: Final answer
    x = 631,183.22

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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.