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Finding the Third Proportional to 858,663 and 1,261,739.25

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Solution

The third proportional to 858,663 and 1,261,739.25 is: 1,854,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,663 : 1,261,739.25 = 1,261,739.25 : x
  2. Step 2: Convert to fraction form
    858,663/1,261,739.25 = 1,261,739.25/x
  3. Step 3: Cross multiply
    858,663x = 1,261,739.25 × 1,261,739.25
  4. Step 4: Simplify right side
    858,663x = 1,591,985,934,990.56
  5. Step 5: Solve for x
    x = 1,591,985,934,990.56/858,663
  6. Step 6: Final answer
    x = 1,854,028.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.