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Finding the Third Proportional to 88,297.88 and 128,343.94

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Solution

The third proportional to 88,297.88 and 128,343.94 is: 186,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,297.88 : 128,343.94 = 128,343.94 : x
  2. Step 2: Convert to fraction form
    88,297.88/128,343.94 = 128,343.94/x
  3. Step 3: Cross multiply
    88,297.88x = 128,343.94 × 128,343.94
  4. Step 4: Simplify right side
    88,297.88x = 16,472,166,293.00
  5. Step 5: Solve for x
    x = 16,472,166,293.00/88,297.88
  6. Step 6: Final answer
    x = 186,552.24

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.