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Finding the Third Proportional to 56,143.50 and 121,192.50

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Solution

The third proportional to 56,143.50 and 121,192.50 is: 261,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.50 : 121,192.50 = 121,192.50 : x
  2. Step 2: Convert to fraction form
    56,143.50/121,192.50 = 121,192.50/x
  3. Step 3: Cross multiply
    56,143.50x = 121,192.50 × 121,192.50
  4. Step 4: Simplify right side
    56,143.50x = 14,687,622,056.25
  5. Step 5: Solve for x
    x = 14,687,622,056.25/56,143.50
  6. Step 6: Final answer
    x = 261,608.59

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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.