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Finding the Third Proportional to 691,992,758 and 1,515,428,563

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Solution

The third proportional to 691,992,758 and 1,515,428,563 is: 3,318,710,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,992,758 : 1,515,428,563 = 1,515,428,563 : x
  2. Step 2: Convert to fraction form
    691,992,758/1,515,428,563 = 1,515,428,563/x
  3. Step 3: Cross multiply
    691,992,758x = 1,515,428,563 × 1,515,428,563
  4. Step 4: Simplify right side
    691,992,758x = 2,296,523,729,556,244,992
  5. Step 5: Solve for x
    x = 2,296,523,729,556,244,992/691,992,758
  6. Step 6: Final answer
    x = 3,318,710,641.13

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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.