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Finding the Third Proportional to 990,182 and 1,487,451

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Solution

The third proportional to 990,182 and 1,487,451 is: 2,234,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,182 : 1,487,451 = 1,487,451 : x
  2. Step 2: Convert to fraction form
    990,182/1,487,451 = 1,487,451/x
  3. Step 3: Cross multiply
    990,182x = 1,487,451 × 1,487,451
  4. Step 4: Simplify right side
    990,182x = 2,212,510,477,401
  5. Step 5: Solve for x
    x = 2,212,510,477,401/990,182
  6. Step 6: Final answer
    x = 2,234,448.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.