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Finding the Third Proportional to 3,467,903 and 7,447,127

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Solution

The third proportional to 3,467,903 and 7,447,127 is: 15,992,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467,903 : 7,447,127 = 7,447,127 : x
  2. Step 2: Convert to fraction form
    3,467,903/7,447,127 = 7,447,127/x
  3. Step 3: Cross multiply
    3,467,903x = 7,447,127 × 7,447,127
  4. Step 4: Simplify right side
    3,467,903x = 55,459,700,554,129
  5. Step 5: Solve for x
    x = 55,459,700,554,129/3,467,903
  6. Step 6: Final answer
    x = 15,992,287.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.