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Finding the Third Proportional to 70,044.75 and 100,077.75

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Solution

The third proportional to 70,044.75 and 100,077.75 is: 142,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,044.75 : 100,077.75 = 100,077.75 : x
  2. Step 2: Convert to fraction form
    70,044.75/100,077.75 = 100,077.75/x
  3. Step 3: Cross multiply
    70,044.75x = 100,077.75 × 100,077.75
  4. Step 4: Simplify right side
    70,044.75x = 10,015,556,045.06
  5. Step 5: Solve for x
    x = 10,015,556,045.06/70,044.75
  6. Step 6: Final answer
    x = 142,987.96

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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.