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Finding the Third Proportional to 247,326.75 and 370,990.50

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Solution

The third proportional to 247,326.75 and 370,990.50 is: 556,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,326.75 : 370,990.50 = 370,990.50 : x
  2. Step 2: Convert to fraction form
    247,326.75/370,990.50 = 370,990.50/x
  3. Step 3: Cross multiply
    247,326.75x = 370,990.50 × 370,990.50
  4. Step 4: Simplify right side
    247,326.75x = 137,633,951,090.25
  5. Step 5: Solve for x
    x = 137,633,951,090.25/247,326.75
  6. Step 6: Final answer
    x = 556,486.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.