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Finding the Third Proportional to 66,090.75 and 94,215.38

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Solution

The third proportional to 66,090.75 and 94,215.38 is: 134,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.75 : 94,215.38 = 94,215.38 : x
  2. Step 2: Convert to fraction form
    66,090.75/94,215.38 = 94,215.38/x
  3. Step 3: Cross multiply
    66,090.75x = 94,215.38 × 94,215.38
  4. Step 4: Simplify right side
    66,090.75x = 8,876,536,886.39
  5. Step 5: Solve for x
    x = 8,876,536,886.39/66,090.75
  6. Step 6: Final answer
    x = 134,308.31

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.