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Finding the Third Proportional to 40,263.75 and 87,445.69

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Solution

The third proportional to 40,263.75 and 87,445.69 is: 189,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263.75 : 87,445.69 = 87,445.69 : x
  2. Step 2: Convert to fraction form
    40,263.75/87,445.69 = 87,445.69/x
  3. Step 3: Cross multiply
    40,263.75x = 87,445.69 × 87,445.69
  4. Step 4: Simplify right side
    40,263.75x = 7,646,748,262.35
  5. Step 5: Solve for x
    x = 7,646,748,262.35/40,263.75
  6. Step 6: Final answer
    x = 189,916.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.