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Finding the Third Proportional to 216,894,872 and 476,831,040

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Solution

The third proportional to 216,894,872 and 476,831,040 is: 1,048,285,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,894,872 : 476,831,040 = 476,831,040 : x
  2. Step 2: Convert to fraction form
    216,894,872/476,831,040 = 476,831,040/x
  3. Step 3: Cross multiply
    216,894,872x = 476,831,040 × 476,831,040
  4. Step 4: Simplify right side
    216,894,872x = 227,367,840,707,481,600
  5. Step 5: Solve for x
    x = 227,367,840,707,481,600/216,894,872
  6. Step 6: Final answer
    x = 1,048,285,921.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.