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Finding the Third Proportional to 221,420.25 and 458,588.25

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Solution

The third proportional to 221,420.25 and 458,588.25 is: 949,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,420.25 : 458,588.25 = 458,588.25 : x
  2. Step 2: Convert to fraction form
    221,420.25/458,588.25 = 458,588.25/x
  3. Step 3: Cross multiply
    221,420.25x = 458,588.25 × 458,588.25
  4. Step 4: Simplify right side
    221,420.25x = 210,303,183,038.06
  5. Step 5: Solve for x
    x = 210,303,183,038.06/221,420.25
  6. Step 6: Final answer
    x = 949,792.00

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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.