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Finding the Third Proportional to 990,150.75 and 2,169,477

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Solution

The third proportional to 990,150.75 and 2,169,477 is: 4,753,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,150.75 : 2,169,477 = 2,169,477 : x
  2. Step 2: Convert to fraction form
    990,150.75/2,169,477 = 2,169,477/x
  3. Step 3: Cross multiply
    990,150.75x = 2,169,477 × 2,169,477
  4. Step 4: Simplify right side
    990,150.75x = 4,706,630,453,529
  5. Step 5: Solve for x
    x = 4,706,630,453,529/990,150.75
  6. Step 6: Final answer
    x = 4,753,448.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.