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Finding the Third Proportional to 9,605,947.50 and 21,080,787

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Solution

The third proportional to 9,605,947.50 and 21,080,787 is: 46,262,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605,947.50 : 21,080,787 = 21,080,787 : x
  2. Step 2: Convert to fraction form
    9,605,947.50/21,080,787 = 21,080,787/x
  3. Step 3: Cross multiply
    9,605,947.50x = 21,080,787 × 21,080,787
  4. Step 4: Simplify right side
    9,605,947.50x = 444,399,580,539,369
  5. Step 5: Solve for x
    x = 444,399,580,539,369/9,605,947.50
  6. Step 6: Final answer
    x = 46,262,961.62

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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.