Home / 8,418,721.50-18,151,517.25

Finding the Third Proportional to 8,418,721.50 and 18,151,517.25

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Solution

The third proportional to 8,418,721.50 and 18,151,517.25 is: 39,136,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,721.50 : 18,151,517.25 = 18,151,517.25 : x
  2. Step 2: Convert to fraction form
    8,418,721.50/18,151,517.25 = 18,151,517.25/x
  3. Step 3: Cross multiply
    8,418,721.50x = 18,151,517.25 × 18,151,517.25
  4. Step 4: Simplify right side
    8,418,721.50x = 329,477,578,477,047.56
  5. Step 5: Solve for x
    x = 329,477,578,477,047.56/8,418,721.50
  6. Step 6: Final answer
    x = 39,136,296.23

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Why These Related Problems?

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