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Finding the Third Proportional to 56,703 and 124,827

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Solution

The third proportional to 56,703 and 124,827 is: 274,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703 : 124,827 = 124,827 : x
  2. Step 2: Convert to fraction form
    56,703/124,827 = 124,827/x
  3. Step 3: Cross multiply
    56,703x = 124,827 × 124,827
  4. Step 4: Simplify right side
    56,703x = 15,581,779,929
  5. Step 5: Solve for x
    x = 15,581,779,929/56,703
  6. Step 6: Final answer
    x = 274,796.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.