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Finding the Third Proportional to 9,911,016.75 and 21,340,319.25

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Solution

The third proportional to 9,911,016.75 and 21,340,319.25 is: 45,949,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911,016.75 : 21,340,319.25 = 21,340,319.25 : x
  2. Step 2: Convert to fraction form
    9,911,016.75/21,340,319.25 = 21,340,319.25/x
  3. Step 3: Cross multiply
    9,911,016.75x = 21,340,319.25 × 21,340,319.25
  4. Step 4: Simplify right side
    9,911,016.75x = 455,409,225,691,920.56
  5. Step 5: Solve for x
    x = 455,409,225,691,920.56/9,911,016.75
  6. Step 6: Final answer
    x = 45,949,798.81

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.