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Finding the Third Proportional to 143,726.91 and 302,350.22

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Solution

The third proportional to 143,726.91 and 302,350.22 is: 636,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,726.91 : 302,350.22 = 302,350.22 : x
  2. Step 2: Convert to fraction form
    143,726.91/302,350.22 = 302,350.22/x
  3. Step 3: Cross multiply
    143,726.91x = 302,350.22 × 302,350.22
  4. Step 4: Simplify right side
    143,726.91x = 91,415,654,778.17
  5. Step 5: Solve for x
    x = 91,415,654,778.17/143,726.91
  6. Step 6: Final answer
    x = 636,037.17

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.