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Finding the Third Proportional to 262,178 and 574,380

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Solution

The third proportional to 262,178 and 574,380 is: 1,258,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,178 : 574,380 = 574,380 : x
  2. Step 2: Convert to fraction form
    262,178/574,380 = 574,380/x
  3. Step 3: Cross multiply
    262,178x = 574,380 × 574,380
  4. Step 4: Simplify right side
    262,178x = 329,912,384,400
  5. Step 5: Solve for x
    x = 329,912,384,400/262,178
  6. Step 6: Final answer
    x = 1,258,352.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.