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Finding the Third Proportional to 28,426 and 44,979

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Solution

The third proportional to 28,426 and 44,979 is: 71,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426 : 44,979 = 44,979 : x
  2. Step 2: Convert to fraction form
    28,426/44,979 = 44,979/x
  3. Step 3: Cross multiply
    28,426x = 44,979 × 44,979
  4. Step 4: Simplify right side
    28,426x = 2,023,110,441
  5. Step 5: Solve for x
    x = 2,023,110,441/28,426
  6. Step 6: Final answer
    x = 71,171.13

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.