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Finding the Third Proportional to 18,266,964 and 40,149,768

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Solution

The third proportional to 18,266,964 and 40,149,768 is: 88,246,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266,964 : 40,149,768 = 40,149,768 : x
  2. Step 2: Convert to fraction form
    18,266,964/40,149,768 = 40,149,768/x
  3. Step 3: Cross multiply
    18,266,964x = 40,149,768 × 40,149,768
  4. Step 4: Simplify right side
    18,266,964x = 1,612,003,870,453,824
  5. Step 5: Solve for x
    x = 1,612,003,870,453,824/18,266,964
  6. Step 6: Final answer
    x = 88,246,950.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.