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Finding the Third Proportional to 454,305,986 and 988,210,708

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Solution

The third proportional to 454,305,986 and 988,210,708 is: 2,149,565,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,305,986 : 988,210,708 = 988,210,708 : x
  2. Step 2: Convert to fraction form
    454,305,986/988,210,708 = 988,210,708/x
  3. Step 3: Cross multiply
    454,305,986x = 988,210,708 × 988,210,708
  4. Step 4: Simplify right side
    454,305,986x = 976,560,403,405,861,248
  5. Step 5: Solve for x
    x = 976,560,403,405,861,248/454,305,986
  6. Step 6: Final answer
    x = 2,149,565,344.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.