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Finding the Third Proportional to 57,246.75 and 91,149.05

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Solution

The third proportional to 57,246.75 and 91,149.05 is: 145,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.75 : 91,149.05 = 91,149.05 : x
  2. Step 2: Convert to fraction form
    57,246.75/91,149.05 = 91,149.05/x
  3. Step 3: Cross multiply
    57,246.75x = 91,149.05 × 91,149.05
  4. Step 4: Simplify right side
    57,246.75x = 8,308,148,746.22
  5. Step 5: Solve for x
    x = 8,308,148,746.22/57,246.75
  6. Step 6: Final answer
    x = 145,128.74

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.