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Finding the Third Proportional to 57,862 and 90,176.25

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Solution

The third proportional to 57,862 and 90,176.25 is: 140,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862 : 90,176.25 = 90,176.25 : x
  2. Step 2: Convert to fraction form
    57,862/90,176.25 = 90,176.25/x
  3. Step 3: Cross multiply
    57,862x = 90,176.25 × 90,176.25
  4. Step 4: Simplify right side
    57,862x = 8,131,756,064.06
  5. Step 5: Solve for x
    x = 8,131,756,064.06/57,862
  6. Step 6: Final answer
    x = 140,537.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.