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Finding the Third Proportional to 840,974.06 and 1,261,200.38

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Solution

The third proportional to 840,974.06 and 1,261,200.38 is: 1,891,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,974.06 : 1,261,200.38 = 1,261,200.38 : x
  2. Step 2: Convert to fraction form
    840,974.06/1,261,200.38 = 1,261,200.38/x
  3. Step 3: Cross multiply
    840,974.06x = 1,261,200.38 × 1,261,200.38
  4. Step 4: Simplify right side
    840,974.06x = 1,590,626,385,900.14
  5. Step 5: Solve for x
    x = 1,590,626,385,900.14/840,974.06
  6. Step 6: Final answer
    x = 1,891,409.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.