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Finding the Third Proportional to 1,810.13 and 2,781.56

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Solution

The third proportional to 1,810.13 and 2,781.56 is: 4,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.13 : 2,781.56 = 2,781.56 : x
  2. Step 2: Convert to fraction form
    1,810.13/2,781.56 = 2,781.56/x
  3. Step 3: Cross multiply
    1,810.13x = 2,781.56 × 2,781.56
  4. Step 4: Simplify right side
    1,810.13x = 7,737,089.94
  5. Step 5: Solve for x
    x = 7,737,089.94/1,810.13
  6. Step 6: Final answer
    x = 4,274.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.