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Finding the Third Proportional to 145,116.56 and 219,864.38

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Solution

The third proportional to 145,116.56 and 219,864.38 is: 333,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116.56 : 219,864.38 = 219,864.38 : x
  2. Step 2: Convert to fraction form
    145,116.56/219,864.38 = 219,864.38/x
  3. Step 3: Cross multiply
    145,116.56x = 219,864.38 × 219,864.38
  4. Step 4: Simplify right side
    145,116.56x = 48,340,343,394.14
  5. Step 5: Solve for x
    x = 48,340,343,394.14/145,116.56
  6. Step 6: Final answer
    x = 333,113.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.