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Finding the Third Proportional to 9,517,878 and 20,925,324

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Solution

The third proportional to 9,517,878 and 20,925,324 is: 46,004,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517,878 : 20,925,324 = 20,925,324 : x
  2. Step 2: Convert to fraction form
    9,517,878/20,925,324 = 20,925,324/x
  3. Step 3: Cross multiply
    9,517,878x = 20,925,324 × 20,925,324
  4. Step 4: Simplify right side
    9,517,878x = 437,869,184,504,976
  5. Step 5: Solve for x
    x = 437,869,184,504,976/9,517,878
  6. Step 6: Final answer
    x = 46,004,916.70

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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.