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Finding the Third Proportional to 295,844.06 and 639,000.56

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Solution

The third proportional to 295,844.06 and 639,000.56 is: 1,380,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,844.06 : 639,000.56 = 639,000.56 : x
  2. Step 2: Convert to fraction form
    295,844.06/639,000.56 = 639,000.56/x
  3. Step 3: Cross multiply
    295,844.06x = 639,000.56 × 639,000.56
  4. Step 4: Simplify right side
    295,844.06x = 408,321,718,875.32
  5. Step 5: Solve for x
    x = 408,321,718,875.32/295,844.06
  6. Step 6: Final answer
    x = 1,380,192.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.