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Finding the Third Proportional to 717,036 and 1,100,622

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Solution

The third proportional to 717,036 and 1,100,622 is: 1,689,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,036 : 1,100,622 = 1,100,622 : x
  2. Step 2: Convert to fraction form
    717,036/1,100,622 = 1,100,622/x
  3. Step 3: Cross multiply
    717,036x = 1,100,622 × 1,100,622
  4. Step 4: Simplify right side
    717,036x = 1,211,368,786,884
  5. Step 5: Solve for x
    x = 1,211,368,786,884/717,036
  6. Step 6: Final answer
    x = 1,689,411.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.