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Finding the Third Proportional to 1,398,036 and 3,057,739.50

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Solution

The third proportional to 1,398,036 and 3,057,739.50 is: 6,687,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,036 : 3,057,739.50 = 3,057,739.50 : x
  2. Step 2: Convert to fraction form
    1,398,036/3,057,739.50 = 3,057,739.50/x
  3. Step 3: Cross multiply
    1,398,036x = 3,057,739.50 × 3,057,739.50
  4. Step 4: Simplify right side
    1,398,036x = 9,349,770,849,860.25
  5. Step 5: Solve for x
    x = 9,349,770,849,860.25/1,398,036
  6. Step 6: Final answer
    x = 6,687,789.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.