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Finding the Third Proportional to 85,070 and 125,256

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Solution

The third proportional to 85,070 and 125,256 is: 184,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070 : 125,256 = 125,256 : x
  2. Step 2: Convert to fraction form
    85,070/125,256 = 125,256/x
  3. Step 3: Cross multiply
    85,070x = 125,256 × 125,256
  4. Step 4: Simplify right side
    85,070x = 15,689,065,536
  5. Step 5: Solve for x
    x = 15,689,065,536/85,070
  6. Step 6: Final answer
    x = 184,425.36

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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.