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Finding the Third Proportional to 2,138,079 and 4,610,359.50

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Solution

The third proportional to 2,138,079 and 4,610,359.50 is: 9,941,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,079 : 4,610,359.50 = 4,610,359.50 : x
  2. Step 2: Convert to fraction form
    2,138,079/4,610,359.50 = 4,610,359.50/x
  3. Step 3: Cross multiply
    2,138,079x = 4,610,359.50 × 4,610,359.50
  4. Step 4: Simplify right side
    2,138,079x = 21,255,414,719,240.25
  5. Step 5: Solve for x
    x = 21,255,414,719,240.25/2,138,079
  6. Step 6: Final answer
    x = 9,941,360.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.