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Finding the Third Proportional to 202,122 and 440,102.50

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Solution

The third proportional to 202,122 and 440,102.50 is: 958,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,122 : 440,102.50 = 440,102.50 : x
  2. Step 2: Convert to fraction form
    202,122/440,102.50 = 440,102.50/x
  3. Step 3: Cross multiply
    202,122x = 440,102.50 × 440,102.50
  4. Step 4: Simplify right side
    202,122x = 193,690,210,506.25
  5. Step 5: Solve for x
    x = 193,690,210,506.25/202,122
  6. Step 6: Final answer
    x = 958,283.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.