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Finding the Third Proportional to 6,390,272 and 13,679,104

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Solution

The third proportional to 6,390,272 and 13,679,104 is: 29,281,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,272 : 13,679,104 = 13,679,104 : x
  2. Step 2: Convert to fraction form
    6,390,272/13,679,104 = 13,679,104/x
  3. Step 3: Cross multiply
    6,390,272x = 13,679,104 × 13,679,104
  4. Step 4: Simplify right side
    6,390,272x = 187,117,886,242,816
  5. Step 5: Solve for x
    x = 187,117,886,242,816/6,390,272
  6. Step 6: Final answer
    x = 29,281,677.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.