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Finding the Third Proportional to 2,405,719.93 and 4,981,965.12

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Solution

The third proportional to 2,405,719.93 and 4,981,965.12 is: 10,317,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,719.93 : 4,981,965.12 = 4,981,965.12 : x
  2. Step 2: Convert to fraction form
    2,405,719.93/4,981,965.12 = 4,981,965.12/x
  3. Step 3: Cross multiply
    2,405,719.93x = 4,981,965.12 × 4,981,965.12
  4. Step 4: Simplify right side
    2,405,719.93x = 24,819,976,428,873.06
  5. Step 5: Solve for x
    x = 24,819,976,428,873.06/2,405,719.93
  6. Step 6: Final answer
    x = 10,317,068.12

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.