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Finding the Third Proportional to 51,710 and 77,996

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Solution

The third proportional to 51,710 and 77,996 is: 117,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710 : 77,996 = 77,996 : x
  2. Step 2: Convert to fraction form
    51,710/77,996 = 77,996/x
  3. Step 3: Cross multiply
    51,710x = 77,996 × 77,996
  4. Step 4: Simplify right side
    51,710x = 6,083,376,016
  5. Step 5: Solve for x
    x = 6,083,376,016/51,710
  6. Step 6: Final answer
    x = 117,644.09

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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.