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Finding the Third Proportional to 12,391,860 and 26,988,396

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Solution

The third proportional to 12,391,860 and 26,988,396 is: 58,778,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,860 : 26,988,396 = 26,988,396 : x
  2. Step 2: Convert to fraction form
    12,391,860/26,988,396 = 26,988,396/x
  3. Step 3: Cross multiply
    12,391,860x = 26,988,396 × 26,988,396
  4. Step 4: Simplify right side
    12,391,860x = 728,373,518,652,816
  5. Step 5: Solve for x
    x = 728,373,518,652,816/12,391,860
  6. Step 6: Final answer
    x = 58,778,385.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.