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Finding the Third Proportional to 51,267 and 77,584

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Solution

The third proportional to 51,267 and 77,584 is: 117,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267 : 77,584 = 77,584 : x
  2. Step 2: Convert to fraction form
    51,267/77,584 = 77,584/x
  3. Step 3: Cross multiply
    51,267x = 77,584 × 77,584
  4. Step 4: Simplify right side
    51,267x = 6,019,277,056
  5. Step 5: Solve for x
    x = 6,019,277,056/51,267
  6. Step 6: Final answer
    x = 117,410.36

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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.