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Finding the Third Proportional to 1,953,081 and 4,278,534

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Solution

The third proportional to 1,953,081 and 4,278,534 is: 9,372,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,081 : 4,278,534 = 4,278,534 : x
  2. Step 2: Convert to fraction form
    1,953,081/4,278,534 = 4,278,534/x
  3. Step 3: Cross multiply
    1,953,081x = 4,278,534 × 4,278,534
  4. Step 4: Simplify right side
    1,953,081x = 18,305,853,189,156
  5. Step 5: Solve for x
    x = 18,305,853,189,156/1,953,081
  6. Step 6: Final answer
    x = 9,372,807.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.