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Finding the Third Proportional to 3,908,072 and 8,484,583

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Solution

The third proportional to 3,908,072 and 8,484,583 is: 18,420,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,072 : 8,484,583 = 8,484,583 : x
  2. Step 2: Convert to fraction form
    3,908,072/8,484,583 = 8,484,583/x
  3. Step 3: Cross multiply
    3,908,072x = 8,484,583 × 8,484,583
  4. Step 4: Simplify right side
    3,908,072x = 71,988,148,683,889
  5. Step 5: Solve for x
    x = 71,988,148,683,889/3,908,072
  6. Step 6: Final answer
    x = 18,420,374.21

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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.