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Finding the Third Proportional to 1,398,802.50 and 2,103,396.19

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Solution

The third proportional to 1,398,802.50 and 2,103,396.19 is: 3,162,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,802.50 : 2,103,396.19 = 2,103,396.19 : x
  2. Step 2: Convert to fraction form
    1,398,802.50/2,103,396.19 = 2,103,396.19/x
  3. Step 3: Cross multiply
    1,398,802.50x = 2,103,396.19 × 2,103,396.19
  4. Step 4: Simplify right side
    1,398,802.50x = 4,424,275,521,589.54
  5. Step 5: Solve for x
    x = 4,424,275,521,589.54/1,398,802.50
  6. Step 6: Final answer
    x = 3,162,902.21

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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.