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Finding the Third Proportional to 2,472,867.75 and 5,211,415.50

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Solution

The third proportional to 2,472,867.75 and 5,211,415.50 is: 10,982,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472,867.75 : 5,211,415.50 = 5,211,415.50 : x
  2. Step 2: Convert to fraction form
    2,472,867.75/5,211,415.50 = 5,211,415.50/x
  3. Step 3: Cross multiply
    2,472,867.75x = 5,211,415.50 × 5,211,415.50
  4. Step 4: Simplify right side
    2,472,867.75x = 27,158,851,513,640.25
  5. Step 5: Solve for x
    x = 27,158,851,513,640.25/2,472,867.75
  6. Step 6: Final answer
    x = 10,982,735.13

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.