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Finding the Third Proportional to 3,212,942 and 4,283,445

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Solution

The third proportional to 3,212,942 and 4,283,445 is: 5,710,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,942 : 4,283,445 = 4,283,445 : x
  2. Step 2: Convert to fraction form
    3,212,942/4,283,445 = 4,283,445/x
  3. Step 3: Cross multiply
    3,212,942x = 4,283,445 × 4,283,445
  4. Step 4: Simplify right side
    3,212,942x = 18,347,901,068,025
  5. Step 5: Solve for x
    x = 18,347,901,068,025/3,212,942
  6. Step 6: Final answer
    x = 5,710,623.18

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.