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Finding the Third Proportional to 611,725 and 1,347,866

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Solution

The third proportional to 611,725 and 1,347,866 is: 2,969,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,725 : 1,347,866 = 1,347,866 : x
  2. Step 2: Convert to fraction form
    611,725/1,347,866 = 1,347,866/x
  3. Step 3: Cross multiply
    611,725x = 1,347,866 × 1,347,866
  4. Step 4: Simplify right side
    611,725x = 1,816,742,753,956
  5. Step 5: Solve for x
    x = 1,816,742,753,956/611,725
  6. Step 6: Final answer
    x = 2,969,868.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.