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Finding the Third Proportional to 18,182,564.65 and 40,400,758.76

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Solution

The third proportional to 18,182,564.65 and 40,400,758.76 is: 89,768,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182,564.65 : 40,400,758.76 = 40,400,758.76 : x
  2. Step 2: Convert to fraction form
    18,182,564.65/40,400,758.76 = 40,400,758.76/x
  3. Step 3: Cross multiply
    18,182,564.65x = 40,400,758.76 × 40,400,758.76
  4. Step 4: Simplify right side
    18,182,564.65x = 1,632,221,308,206,923
  5. Step 5: Solve for x
    x = 1,632,221,308,206,923/18,182,564.65
  6. Step 6: Final answer
    x = 89,768,486.45

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.