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Finding the Third Proportional to 53,287 and 79,565

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Solution

The third proportional to 53,287 and 79,565 is: 118,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287 : 79,565 = 79,565 : x
  2. Step 2: Convert to fraction form
    53,287/79,565 = 79,565/x
  3. Step 3: Cross multiply
    53,287x = 79,565 × 79,565
  4. Step 4: Simplify right side
    53,287x = 6,330,589,225
  5. Step 5: Solve for x
    x = 6,330,589,225/53,287
  6. Step 6: Final answer
    x = 118,801.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.