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Finding the Third Proportional to 56,216 and 84,693

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Solution

The third proportional to 56,216 and 84,693 is: 127,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216 : 84,693 = 84,693 : x
  2. Step 2: Convert to fraction form
    56,216/84,693 = 84,693/x
  3. Step 3: Cross multiply
    56,216x = 84,693 × 84,693
  4. Step 4: Simplify right side
    56,216x = 7,172,904,249
  5. Step 5: Solve for x
    x = 7,172,904,249/56,216
  6. Step 6: Final answer
    x = 127,595.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.