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Finding the Third Proportional to 363,168 and 563,640

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Solution

The third proportional to 363,168 and 563,640 is: 874,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,168 : 563,640 = 563,640 : x
  2. Step 2: Convert to fraction form
    363,168/563,640 = 563,640/x
  3. Step 3: Cross multiply
    363,168x = 563,640 × 563,640
  4. Step 4: Simplify right side
    363,168x = 317,690,049,600
  5. Step 5: Solve for x
    x = 317,690,049,600/363,168
  6. Step 6: Final answer
    x = 874,774.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.