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Finding the Third Proportional to 232,258.50 and 339,426

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Solution

The third proportional to 232,258.50 and 339,426 is: 496,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,258.50 : 339,426 = 339,426 : x
  2. Step 2: Convert to fraction form
    232,258.50/339,426 = 339,426/x
  3. Step 3: Cross multiply
    232,258.50x = 339,426 × 339,426
  4. Step 4: Simplify right side
    232,258.50x = 115,210,009,476
  5. Step 5: Solve for x
    x = 115,210,009,476/232,258.50
  6. Step 6: Final answer
    x = 496,042.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.