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Finding the Third Proportional to 66,184.50 and 99,888

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Solution

The third proportional to 66,184.50 and 99,888 is: 150,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.50 : 99,888 = 99,888 : x
  2. Step 2: Convert to fraction form
    66,184.50/99,888 = 99,888/x
  3. Step 3: Cross multiply
    66,184.50x = 99,888 × 99,888
  4. Step 4: Simplify right side
    66,184.50x = 9,977,612,544
  5. Step 5: Solve for x
    x = 9,977,612,544/66,184.50
  6. Step 6: Final answer
    x = 150,754.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.