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Finding the Third Proportional to 56,331 and 84,319.50

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Solution

The third proportional to 56,331 and 84,319.50 is: 126,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,331 : 84,319.50 = 84,319.50 : x
  2. Step 2: Convert to fraction form
    56,331/84,319.50 = 84,319.50/x
  3. Step 3: Cross multiply
    56,331x = 84,319.50 × 84,319.50
  4. Step 4: Simplify right side
    56,331x = 7,109,778,080.25
  5. Step 5: Solve for x
    x = 7,109,778,080.25/56,331
  6. Step 6: Final answer
    x = 126,214.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.