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Finding the Third Proportional to 136,207.25 and 288,796.50

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Solution

The third proportional to 136,207.25 and 288,796.50 is: 612,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207.25 : 288,796.50 = 288,796.50 : x
  2. Step 2: Convert to fraction form
    136,207.25/288,796.50 = 288,796.50/x
  3. Step 3: Cross multiply
    136,207.25x = 288,796.50 × 288,796.50
  4. Step 4: Simplify right side
    136,207.25x = 83,403,418,412.25
  5. Step 5: Solve for x
    x = 83,403,418,412.25/136,207.25
  6. Step 6: Final answer
    x = 612,327.31

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.