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Finding the Third Proportional to 139,393.41 and 221,550.19

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Solution

The third proportional to 139,393.41 and 221,550.19 is: 352,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,393.41 : 221,550.19 = 221,550.19 : x
  2. Step 2: Convert to fraction form
    139,393.41/221,550.19 = 221,550.19/x
  3. Step 3: Cross multiply
    139,393.41x = 221,550.19 × 221,550.19
  4. Step 4: Simplify right side
    139,393.41x = 49,084,485,581.29
  5. Step 5: Solve for x
    x = 49,084,485,581.29/139,393.41
  6. Step 6: Final answer
    x = 352,129.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.