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Finding the Third Proportional to 90,955.13 and 139,612.13

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Solution

The third proportional to 90,955.13 and 139,612.13 is: 214,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.13 : 139,612.13 = 139,612.13 : x
  2. Step 2: Convert to fraction form
    90,955.13/139,612.13 = 139,612.13/x
  3. Step 3: Cross multiply
    90,955.13x = 139,612.13 × 139,612.13
  4. Step 4: Simplify right side
    90,955.13x = 19,491,545,447.02
  5. Step 5: Solve for x
    x = 19,491,545,447.02/90,955.13
  6. Step 6: Final answer
    x = 214,298.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.