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Finding the Third Proportional to 1,273.50 and 1,927.13

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Solution

The third proportional to 1,273.50 and 1,927.13 is: 2,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.50 : 1,927.13 = 1,927.13 : x
  2. Step 2: Convert to fraction form
    1,273.50/1,927.13 = 1,927.13/x
  3. Step 3: Cross multiply
    1,273.50x = 1,927.13 × 1,927.13
  4. Step 4: Simplify right side
    1,273.50x = 3,713,810.77
  5. Step 5: Solve for x
    x = 3,713,810.77/1,273.50
  6. Step 6: Final answer
    x = 2,916.22

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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.