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Finding the Third Proportional to 109,404 and 235,440

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Solution

The third proportional to 109,404 and 235,440 is: 506,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,404 : 235,440 = 235,440 : x
  2. Step 2: Convert to fraction form
    109,404/235,440 = 235,440/x
  3. Step 3: Cross multiply
    109,404x = 235,440 × 235,440
  4. Step 4: Simplify right side
    109,404x = 55,431,993,600
  5. Step 5: Solve for x
    x = 55,431,993,600/109,404
  6. Step 6: Final answer
    x = 506,672.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.