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Finding the Third Proportional to 7,449,270 and 11,390,499

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Solution

The third proportional to 7,449,270 and 11,390,499 is: 17,416,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449,270 : 11,390,499 = 11,390,499 : x
  2. Step 2: Convert to fraction form
    7,449,270/11,390,499 = 11,390,499/x
  3. Step 3: Cross multiply
    7,449,270x = 11,390,499 × 11,390,499
  4. Step 4: Simplify right side
    7,449,270x = 129,743,467,469,001
  5. Step 5: Solve for x
    x = 129,743,467,469,001/7,449,270
  6. Step 6: Final answer
    x = 17,416,937.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.