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Finding the Third Proportional to 40,038 and 87,444

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Solution

The third proportional to 40,038 and 87,444 is: 190,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038 : 87,444 = 87,444 : x
  2. Step 2: Convert to fraction form
    40,038/87,444 = 87,444/x
  3. Step 3: Cross multiply
    40,038x = 87,444 × 87,444
  4. Step 4: Simplify right side
    40,038x = 7,646,453,136
  5. Step 5: Solve for x
    x = 7,646,453,136/40,038
  6. Step 6: Final answer
    x = 190,979.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.