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Finding the Third Proportional to 85,321.50 and 125,793

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Solution

The third proportional to 85,321.50 and 125,793 is: 185,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321.50 : 125,793 = 125,793 : x
  2. Step 2: Convert to fraction form
    85,321.50/125,793 = 125,793/x
  3. Step 3: Cross multiply
    85,321.50x = 125,793 × 125,793
  4. Step 4: Simplify right side
    85,321.50x = 15,823,878,849
  5. Step 5: Solve for x
    x = 15,823,878,849/85,321.50
  6. Step 6: Final answer
    x = 185,461.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.