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Finding the Third Proportional to 1,807,389 and 3,912,324

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Solution

The third proportional to 1,807,389 and 3,912,324 is: 8,468,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,389 : 3,912,324 = 3,912,324 : x
  2. Step 2: Convert to fraction form
    1,807,389/3,912,324 = 3,912,324/x
  3. Step 3: Cross multiply
    1,807,389x = 3,912,324 × 3,912,324
  4. Step 4: Simplify right side
    1,807,389x = 15,306,279,080,976
  5. Step 5: Solve for x
    x = 15,306,279,080,976/1,807,389
  6. Step 6: Final answer
    x = 8,468,724.27

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.