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Finding the Third Proportional to 7,899,806 and 11,798,031

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Solution

The third proportional to 7,899,806 and 11,798,031 is: 17,619,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,806 : 11,798,031 = 11,798,031 : x
  2. Step 2: Convert to fraction form
    7,899,806/11,798,031 = 11,798,031/x
  3. Step 3: Cross multiply
    7,899,806x = 11,798,031 × 11,798,031
  4. Step 4: Simplify right side
    7,899,806x = 139,193,535,476,961
  5. Step 5: Solve for x
    x = 139,193,535,476,961/7,899,806
  6. Step 6: Final answer
    x = 17,619,867.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.