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Finding the Third Proportional to 55,500 and 85,396

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Solution

The third proportional to 55,500 and 85,396 is: 131,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500 : 85,396 = 85,396 : x
  2. Step 2: Convert to fraction form
    55,500/85,396 = 85,396/x
  3. Step 3: Cross multiply
    55,500x = 85,396 × 85,396
  4. Step 4: Simplify right side
    55,500x = 7,292,476,816
  5. Step 5: Solve for x
    x = 7,292,476,816/55,500
  6. Step 6: Final answer
    x = 131,395.98

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.