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Finding the Third Proportional to 1,247,409 and 2,706,564.75

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Solution

The third proportional to 1,247,409 and 2,706,564.75 is: 5,872,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,409 : 2,706,564.75 = 2,706,564.75 : x
  2. Step 2: Convert to fraction form
    1,247,409/2,706,564.75 = 2,706,564.75/x
  3. Step 3: Cross multiply
    1,247,409x = 2,706,564.75 × 2,706,564.75
  4. Step 4: Simplify right side
    1,247,409x = 7,325,492,745,942.56
  5. Step 5: Solve for x
    x = 7,325,492,745,942.56/1,247,409
  6. Step 6: Final answer
    x = 5,872,566.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.