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Finding the Third Proportional to 4,431,192 and 9,618,646

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Solution

The third proportional to 4,431,192 and 9,618,646 is: 20,878,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,192 : 9,618,646 = 9,618,646 : x
  2. Step 2: Convert to fraction form
    4,431,192/9,618,646 = 9,618,646/x
  3. Step 3: Cross multiply
    4,431,192x = 9,618,646 × 9,618,646
  4. Step 4: Simplify right side
    4,431,192x = 92,518,350,873,316
  5. Step 5: Solve for x
    x = 92,518,350,873,316/4,431,192
  6. Step 6: Final answer
    x = 20,878,885.61

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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.