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Finding the Third Proportional to 127,258 and 276,388

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Solution

The third proportional to 127,258 and 276,388 is: 600,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,258 : 276,388 = 276,388 : x
  2. Step 2: Convert to fraction form
    127,258/276,388 = 276,388/x
  3. Step 3: Cross multiply
    127,258x = 276,388 × 276,388
  4. Step 4: Simplify right side
    127,258x = 76,390,326,544
  5. Step 5: Solve for x
    x = 76,390,326,544/127,258
  6. Step 6: Final answer
    x = 600,279.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.