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Finding the Third Proportional to 4,117,226 and 9,072,100

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Solution

The third proportional to 4,117,226 and 9,072,100 is: 19,989,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117,226 : 9,072,100 = 9,072,100 : x
  2. Step 2: Convert to fraction form
    4,117,226/9,072,100 = 9,072,100/x
  3. Step 3: Cross multiply
    4,117,226x = 9,072,100 × 9,072,100
  4. Step 4: Simplify right side
    4,117,226x = 82,302,998,410,000
  5. Step 5: Solve for x
    x = 82,302,998,410,000/4,117,226
  6. Step 6: Final answer
    x = 19,989,915.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.