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Finding the Third Proportional to 7,190,856 and 15,405,228

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Solution

The third proportional to 7,190,856 and 15,405,228 is: 33,003,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,856 : 15,405,228 = 15,405,228 : x
  2. Step 2: Convert to fraction form
    7,190,856/15,405,228 = 15,405,228/x
  3. Step 3: Cross multiply
    7,190,856x = 15,405,228 × 15,405,228
  4. Step 4: Simplify right side
    7,190,856x = 237,321,049,731,984
  5. Step 5: Solve for x
    x = 237,321,049,731,984/7,190,856
  6. Step 6: Final answer
    x = 33,003,170.93

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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.