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Finding the Third Proportional to 2,215,276 and 3,319,221.50

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Solution

The third proportional to 2,215,276 and 3,319,221.50 is: 4,973,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,276 : 3,319,221.50 = 3,319,221.50 : x
  2. Step 2: Convert to fraction form
    2,215,276/3,319,221.50 = 3,319,221.50/x
  3. Step 3: Cross multiply
    2,215,276x = 3,319,221.50 × 3,319,221.50
  4. Step 4: Simplify right side
    2,215,276x = 11,017,231,366,062.25
  5. Step 5: Solve for x
    x = 11,017,231,366,062.25/2,215,276
  6. Step 6: Final answer
    x = 4,973,299.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.