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Finding the Third Proportional to 132,031.75 and 285,110.50

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Solution

The third proportional to 132,031.75 and 285,110.50 is: 615,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.75 : 285,110.50 = 285,110.50 : x
  2. Step 2: Convert to fraction form
    132,031.75/285,110.50 = 285,110.50/x
  3. Step 3: Cross multiply
    132,031.75x = 285,110.50 × 285,110.50
  4. Step 4: Simplify right side
    132,031.75x = 81,287,997,210.25
  5. Step 5: Solve for x
    x = 81,287,997,210.25/132,031.75
  6. Step 6: Final answer
    x = 615,670.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.