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Finding the Third Proportional to 131,112 and 280,918.13

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Solution

The third proportional to 131,112 and 280,918.13 is: 601,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112 : 280,918.13 = 280,918.13 : x
  2. Step 2: Convert to fraction form
    131,112/280,918.13 = 280,918.13/x
  3. Step 3: Cross multiply
    131,112x = 280,918.13 × 280,918.13
  4. Step 4: Simplify right side
    131,112x = 78,914,992,953.52
  5. Step 5: Solve for x
    x = 78,914,992,953.52/131,112
  6. Step 6: Final answer
    x = 601,889.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.