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Finding the Third Proportional to 127,985.06 and 279,298.13

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Solution

The third proportional to 127,985.06 and 279,298.13 is: 609,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,985.06 : 279,298.13 = 279,298.13 : x
  2. Step 2: Convert to fraction form
    127,985.06/279,298.13 = 279,298.13/x
  3. Step 3: Cross multiply
    127,985.06x = 279,298.13 × 279,298.13
  4. Step 4: Simplify right side
    127,985.06x = 78,007,442,628.52
  5. Step 5: Solve for x
    x = 78,007,442,628.52/127,985.06
  6. Step 6: Final answer
    x = 609,504.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.