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Finding the Third Proportional to 6,511,221 and 9,578,626

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Solution

The third proportional to 6,511,221 and 9,578,626 is: 14,091,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511,221 : 9,578,626 = 9,578,626 : x
  2. Step 2: Convert to fraction form
    6,511,221/9,578,626 = 9,578,626/x
  3. Step 3: Cross multiply
    6,511,221x = 9,578,626 × 9,578,626
  4. Step 4: Simplify right side
    6,511,221x = 91,750,076,047,876
  5. Step 5: Solve for x
    x = 91,750,076,047,876/6,511,221
  6. Step 6: Final answer
    x = 14,091,070.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.