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Finding the Third Proportional to 15,726 and 35,859

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Solution

The third proportional to 15,726 and 35,859 is: 81,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726 : 35,859 = 35,859 : x
  2. Step 2: Convert to fraction form
    15,726/35,859 = 35,859/x
  3. Step 3: Cross multiply
    15,726x = 35,859 × 35,859
  4. Step 4: Simplify right side
    15,726x = 1,285,867,881
  5. Step 5: Solve for x
    x = 1,285,867,881/15,726
  6. Step 6: Final answer
    x = 81,767.00

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.