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Finding the Third Proportional to 107,778 and 234,210

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Solution

The third proportional to 107,778 and 234,210 is: 508,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,778 : 234,210 = 234,210 : x
  2. Step 2: Convert to fraction form
    107,778/234,210 = 234,210/x
  3. Step 3: Cross multiply
    107,778x = 234,210 × 234,210
  4. Step 4: Simplify right side
    107,778x = 54,854,324,100
  5. Step 5: Solve for x
    x = 54,854,324,100/107,778
  6. Step 6: Final answer
    x = 508,956.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.