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Finding the Third Proportional to 40,038 and 60,878

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Solution

The third proportional to 40,038 and 60,878 is: 92,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038 : 60,878 = 60,878 : x
  2. Step 2: Convert to fraction form
    40,038/60,878 = 60,878/x
  3. Step 3: Cross multiply
    40,038x = 60,878 × 60,878
  4. Step 4: Simplify right side
    40,038x = 3,706,130,884
  5. Step 5: Solve for x
    x = 3,706,130,884/40,038
  6. Step 6: Final answer
    x = 92,565.34

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.