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Finding the Third Proportional to 265,036 and 410,838

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Solution

The third proportional to 265,036 and 410,838 is: 636,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,036 : 410,838 = 410,838 : x
  2. Step 2: Convert to fraction form
    265,036/410,838 = 410,838/x
  3. Step 3: Cross multiply
    265,036x = 410,838 × 410,838
  4. Step 4: Simplify right side
    265,036x = 168,787,862,244
  5. Step 5: Solve for x
    x = 168,787,862,244/265,036
  6. Step 6: Final answer
    x = 636,848.81

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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.