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Finding the Third Proportional to 161,146 and 345,612

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Solution

The third proportional to 161,146 and 345,612 is: 741,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,146 : 345,612 = 345,612 : x
  2. Step 2: Convert to fraction form
    161,146/345,612 = 345,612/x
  3. Step 3: Cross multiply
    161,146x = 345,612 × 345,612
  4. Step 4: Simplify right side
    161,146x = 119,447,654,544
  5. Step 5: Solve for x
    x = 119,447,654,544/161,146
  6. Step 6: Final answer
    x = 741,238.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.