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Finding the Third Proportional to 31,915,987 and 50,545,947

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Solution

The third proportional to 31,915,987 and 50,545,947 is: 80,050,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,987 : 50,545,947 = 50,545,947 : x
  2. Step 2: Convert to fraction form
    31,915,987/50,545,947 = 50,545,947/x
  3. Step 3: Cross multiply
    31,915,987x = 50,545,947 × 50,545,947
  4. Step 4: Simplify right side
    31,915,987x = 2,554,892,758,126,809
  5. Step 5: Solve for x
    x = 2,554,892,758,126,809/31,915,987
  6. Step 6: Final answer
    x = 80,050,563.94

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.