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Finding the Third Proportional to 51,426 and 79,596

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Solution

The third proportional to 51,426 and 79,596 is: 123,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426 : 79,596 = 79,596 : x
  2. Step 2: Convert to fraction form
    51,426/79,596 = 79,596/x
  3. Step 3: Cross multiply
    51,426x = 79,596 × 79,596
  4. Step 4: Simplify right side
    51,426x = 6,335,523,216
  5. Step 5: Solve for x
    x = 6,335,523,216/51,426
  6. Step 6: Final answer
    x = 123,196.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.