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Finding the Third Proportional to 427,902.75 and 598,203

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Solution

The third proportional to 427,902.75 and 598,203 is: 836,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,902.75 : 598,203 = 598,203 : x
  2. Step 2: Convert to fraction form
    427,902.75/598,203 = 598,203/x
  3. Step 3: Cross multiply
    427,902.75x = 598,203 × 598,203
  4. Step 4: Simplify right side
    427,902.75x = 357,846,829,209
  5. Step 5: Solve for x
    x = 357,846,829,209/427,902.75
  6. Step 6: Final answer
    x = 836,280.74

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.