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Finding the Third Proportional to 7,899,992 and 11,798,220

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Solution

The third proportional to 7,899,992 and 11,798,220 is: 17,620,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,992 : 11,798,220 = 11,798,220 : x
  2. Step 2: Convert to fraction form
    7,899,992/11,798,220 = 11,798,220/x
  3. Step 3: Cross multiply
    7,899,992x = 11,798,220 × 11,798,220
  4. Step 4: Simplify right side
    7,899,992x = 139,197,995,168,400
  5. Step 5: Solve for x
    x = 139,197,995,168,400/7,899,992
  6. Step 6: Final answer
    x = 17,620,017.23

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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.