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Finding the Third Proportional to 63,112.75 and 138,071.75

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Solution

The third proportional to 63,112.75 and 138,071.75 is: 302,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,112.75 : 138,071.75 = 138,071.75 : x
  2. Step 2: Convert to fraction form
    63,112.75/138,071.75 = 138,071.75/x
  3. Step 3: Cross multiply
    63,112.75x = 138,071.75 × 138,071.75
  4. Step 4: Simplify right side
    63,112.75x = 19,063,808,148.06
  5. Step 5: Solve for x
    x = 19,063,808,148.06/63,112.75
  6. Step 6: Final answer
    x = 302,059.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.