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Finding the Third Proportional to 7,810 and 16,955

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Solution

The third proportional to 7,810 and 16,955 is: 36,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810 : 16,955 = 16,955 : x
  2. Step 2: Convert to fraction form
    7,810/16,955 = 16,955/x
  3. Step 3: Cross multiply
    7,810x = 16,955 × 16,955
  4. Step 4: Simplify right side
    7,810x = 287,472,025
  5. Step 5: Solve for x
    x = 287,472,025/7,810
  6. Step 6: Final answer
    x = 36,808.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.