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Finding the Third Proportional to 57,447 and 85,826.25

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Solution

The third proportional to 57,447 and 85,826.25 is: 128,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447 : 85,826.25 = 85,826.25 : x
  2. Step 2: Convert to fraction form
    57,447/85,826.25 = 85,826.25/x
  3. Step 3: Cross multiply
    57,447x = 85,826.25 × 85,826.25
  4. Step 4: Simplify right side
    57,447x = 7,366,145,189.06
  5. Step 5: Solve for x
    x = 7,366,145,189.06/57,447
  6. Step 6: Final answer
    x = 128,225.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.