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Finding the Third Proportional to 39,658 and 57,001

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Solution

The third proportional to 39,658 and 57,001 is: 81,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658 : 57,001 = 57,001 : x
  2. Step 2: Convert to fraction form
    39,658/57,001 = 57,001/x
  3. Step 3: Cross multiply
    39,658x = 57,001 × 57,001
  4. Step 4: Simplify right side
    39,658x = 3,249,114,001
  5. Step 5: Solve for x
    x = 3,249,114,001/39,658
  6. Step 6: Final answer
    x = 81,928.34

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.