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Finding the Third Proportional to 3,209,836 and 6,531,772

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Solution

The third proportional to 3,209,836 and 6,531,772 is: 13,291,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,836 : 6,531,772 = 6,531,772 : x
  2. Step 2: Convert to fraction form
    3,209,836/6,531,772 = 6,531,772/x
  3. Step 3: Cross multiply
    3,209,836x = 6,531,772 × 6,531,772
  4. Step 4: Simplify right side
    3,209,836x = 42,664,045,459,984
  5. Step 5: Solve for x
    x = 42,664,045,459,984/3,209,836
  6. Step 6: Final answer
    x = 13,291,658.97

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.