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Finding the Third Proportional to 66,955 and 88,858

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Solution

The third proportional to 66,955 and 88,858 is: 117,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955 : 88,858 = 88,858 : x
  2. Step 2: Convert to fraction form
    66,955/88,858 = 88,858/x
  3. Step 3: Cross multiply
    66,955x = 88,858 × 88,858
  4. Step 4: Simplify right side
    66,955x = 7,895,744,164
  5. Step 5: Solve for x
    x = 7,895,744,164/66,955
  6. Step 6: Final answer
    x = 117,926.13

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.