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Finding the Third Proportional to 125,258 and 262,826

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Solution

The third proportional to 125,258 and 262,826 is: 551,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,258 : 262,826 = 262,826 : x
  2. Step 2: Convert to fraction form
    125,258/262,826 = 262,826/x
  3. Step 3: Cross multiply
    125,258x = 262,826 × 262,826
  4. Step 4: Simplify right side
    125,258x = 69,077,506,276
  5. Step 5: Solve for x
    x = 69,077,506,276/125,258
  6. Step 6: Final answer
    x = 551,481.79

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.