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Finding the Third Proportional to 107,428.78 and 223,678.97

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Solution

The third proportional to 107,428.78 and 223,678.97 is: 465,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428.78 : 223,678.97 = 223,678.97 : x
  2. Step 2: Convert to fraction form
    107,428.78/223,678.97 = 223,678.97/x
  3. Step 3: Cross multiply
    107,428.78x = 223,678.97 × 223,678.97
  4. Step 4: Simplify right side
    107,428.78x = 50,032,281,061.06
  5. Step 5: Solve for x
    x = 50,032,281,061.06/107,428.78
  6. Step 6: Final answer
    x = 465,725.11

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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.