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Finding the Third Proportional to 2,391,238 and 5,173,220

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Solution

The third proportional to 2,391,238 and 5,173,220 is: 11,191,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,238 : 5,173,220 = 5,173,220 : x
  2. Step 2: Convert to fraction form
    2,391,238/5,173,220 = 5,173,220/x
  3. Step 3: Cross multiply
    2,391,238x = 5,173,220 × 5,173,220
  4. Step 4: Simplify right side
    2,391,238x = 26,762,205,168,400
  5. Step 5: Solve for x
    x = 26,762,205,168,400/2,391,238
  6. Step 6: Final answer
    x = 11,191,778.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.