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Finding the Third Proportional to 5,176,622 and 8,007,206

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Solution

The third proportional to 5,176,622 and 8,007,206 is: 12,385,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,622 : 8,007,206 = 8,007,206 : x
  2. Step 2: Convert to fraction form
    5,176,622/8,007,206 = 8,007,206/x
  3. Step 3: Cross multiply
    5,176,622x = 8,007,206 × 8,007,206
  4. Step 4: Simplify right side
    5,176,622x = 64,115,347,926,436
  5. Step 5: Solve for x
    x = 64,115,347,926,436/5,176,622
  6. Step 6: Final answer
    x = 12,385,557.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.