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Finding the Third Proportional to 15,370 and 16,954

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Solution

The third proportional to 15,370 and 16,954 is: 18,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370 : 16,954 = 16,954 : x
  2. Step 2: Convert to fraction form
    15,370/16,954 = 16,954/x
  3. Step 3: Cross multiply
    15,370x = 16,954 × 16,954
  4. Step 4: Simplify right side
    15,370x = 287,438,116
  5. Step 5: Solve for x
    x = 287,438,116/15,370
  6. Step 6: Final answer
    x = 18,701.24

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.