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Finding the Third Proportional to 3,138,728.63 and 4,442,523.75

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Solution

The third proportional to 3,138,728.63 and 4,442,523.75 is: 6,287,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,728.63 : 4,442,523.75 = 4,442,523.75 : x
  2. Step 2: Convert to fraction form
    3,138,728.63/4,442,523.75 = 4,442,523.75/x
  3. Step 3: Cross multiply
    3,138,728.63x = 4,442,523.75 × 4,442,523.75
  4. Step 4: Simplify right side
    3,138,728.63x = 19,736,017,269,314.06
  5. Step 5: Solve for x
    x = 19,736,017,269,314.06/3,138,728.63
  6. Step 6: Final answer
    x = 6,287,901.77

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.