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Finding the Third Proportional to 15,976,715.91 and 34,942,777.31

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Solution

The third proportional to 15,976,715.91 and 34,942,777.31 is: 76,423,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976,715.91 : 34,942,777.31 = 34,942,777.31 : x
  2. Step 2: Convert to fraction form
    15,976,715.91/34,942,777.31 = 34,942,777.31/x
  3. Step 3: Cross multiply
    15,976,715.91x = 34,942,777.31 × 34,942,777.31
  4. Step 4: Simplify right side
    15,976,715.91x = 1,220,997,686,310,964.75
  5. Step 5: Solve for x
    x = 1,220,997,686,310,964.75/15,976,715.91
  6. Step 6: Final answer
    x = 76,423,571.24

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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.