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Finding the Third Proportional to 51,496 and 81,943.75

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Solution

The third proportional to 51,496 and 81,943.75 is: 130,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,496 : 81,943.75 = 81,943.75 : x
  2. Step 2: Convert to fraction form
    51,496/81,943.75 = 81,943.75/x
  3. Step 3: Cross multiply
    51,496x = 81,943.75 × 81,943.75
  4. Step 4: Simplify right side
    51,496x = 6,714,778,164.06
  5. Step 5: Solve for x
    x = 6,714,778,164.06/51,496
  6. Step 6: Final answer
    x = 130,394.17

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.