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Finding the Third Proportional to 1,942,572 and 4,121,844

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Solution

The third proportional to 1,942,572 and 4,121,844 is: 8,745,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,572 : 4,121,844 = 4,121,844 : x
  2. Step 2: Convert to fraction form
    1,942,572/4,121,844 = 4,121,844/x
  3. Step 3: Cross multiply
    1,942,572x = 4,121,844 × 4,121,844
  4. Step 4: Simplify right side
    1,942,572x = 16,989,597,960,336
  5. Step 5: Solve for x
    x = 16,989,597,960,336/1,942,572
  6. Step 6: Final answer
    x = 8,745,929.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.