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Finding the Third Proportional to 56,196 and 84,130

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Solution

The third proportional to 56,196 and 84,130 is: 125,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,196 : 84,130 = 84,130 : x
  2. Step 2: Convert to fraction form
    56,196/84,130 = 84,130/x
  3. Step 3: Cross multiply
    56,196x = 84,130 × 84,130
  4. Step 4: Simplify right side
    56,196x = 7,077,856,900
  5. Step 5: Solve for x
    x = 7,077,856,900/56,196
  6. Step 6: Final answer
    x = 125,949.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.