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Finding the Third Proportional to 7,470,275.81 and 10,991,796.75

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Solution

The third proportional to 7,470,275.81 and 10,991,796.75 is: 16,173,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,275.81 : 10,991,796.75 = 10,991,796.75 : x
  2. Step 2: Convert to fraction form
    7,470,275.81/10,991,796.75 = 10,991,796.75/x
  3. Step 3: Cross multiply
    7,470,275.81x = 10,991,796.75 × 10,991,796.75
  4. Step 4: Simplify right side
    7,470,275.81x = 120,819,595,793,310.56
  5. Step 5: Solve for x
    x = 120,819,595,793,310.56/7,470,275.81
  6. Step 6: Final answer
    x = 16,173,378.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.