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Finding the Third Proportional to 7,221,028 and 15,686,936

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Solution

The third proportional to 7,221,028 and 15,686,936 is: 34,078,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,028 : 15,686,936 = 15,686,936 : x
  2. Step 2: Convert to fraction form
    7,221,028/15,686,936 = 15,686,936/x
  3. Step 3: Cross multiply
    7,221,028x = 15,686,936 × 15,686,936
  4. Step 4: Simplify right side
    7,221,028x = 246,079,961,068,096
  5. Step 5: Solve for x
    x = 246,079,961,068,096/7,221,028
  6. Step 6: Final answer
    x = 34,078,244.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.