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Finding the Third Proportional to 3,423,654 and 7,229,220

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Solution

The third proportional to 3,423,654 and 7,229,220 is: 15,264,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423,654 : 7,229,220 = 7,229,220 : x
  2. Step 2: Convert to fraction form
    3,423,654/7,229,220 = 7,229,220/x
  3. Step 3: Cross multiply
    3,423,654x = 7,229,220 × 7,229,220
  4. Step 4: Simplify right side
    3,423,654x = 52,261,621,808,400
  5. Step 5: Solve for x
    x = 52,261,621,808,400/3,423,654
  6. Step 6: Final answer
    x = 15,264,866.66

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.