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Finding the Third Proportional to 265,680 and 400,464

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Solution

The third proportional to 265,680 and 400,464 is: 603,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,680 : 400,464 = 400,464 : x
  2. Step 2: Convert to fraction form
    265,680/400,464 = 400,464/x
  3. Step 3: Cross multiply
    265,680x = 400,464 × 400,464
  4. Step 4: Simplify right side
    265,680x = 160,371,415,296
  5. Step 5: Solve for x
    x = 160,371,415,296/265,680
  6. Step 6: Final answer
    x = 603,626.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.