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Finding the Third Proportional to 221,406 and 458,566.50

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Solution

The third proportional to 221,406 and 458,566.50 is: 949,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,406 : 458,566.50 = 458,566.50 : x
  2. Step 2: Convert to fraction form
    221,406/458,566.50 = 458,566.50/x
  3. Step 3: Cross multiply
    221,406x = 458,566.50 × 458,566.50
  4. Step 4: Simplify right side
    221,406x = 210,283,234,922.25
  5. Step 5: Solve for x
    x = 210,283,234,922.25/221,406
  6. Step 6: Final answer
    x = 949,763.04

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.