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Finding the Third Proportional to 38,857.50 and 57,465.75

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Solution

The third proportional to 38,857.50 and 57,465.75 is: 84,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,857.50 : 57,465.75 = 57,465.75 : x
  2. Step 2: Convert to fraction form
    38,857.50/57,465.75 = 57,465.75/x
  3. Step 3: Cross multiply
    38,857.50x = 57,465.75 × 57,465.75
  4. Step 4: Simplify right side
    38,857.50x = 3,302,312,423.06
  5. Step 5: Solve for x
    x = 3,302,312,423.06/38,857.50
  6. Step 6: Final answer
    x = 84,985.20

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.