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Finding the Third Proportional to 1,718,907 and 3,642,721.50

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Solution

The third proportional to 1,718,907 and 3,642,721.50 is: 7,719,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,907 : 3,642,721.50 = 3,642,721.50 : x
  2. Step 2: Convert to fraction form
    1,718,907/3,642,721.50 = 3,642,721.50/x
  3. Step 3: Cross multiply
    1,718,907x = 3,642,721.50 × 3,642,721.50
  4. Step 4: Simplify right side
    1,718,907x = 13,269,419,926,562.25
  5. Step 5: Solve for x
    x = 13,269,419,926,562.25/1,718,907
  6. Step 6: Final answer
    x = 7,719,684.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.