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Finding the Third Proportional to 127,818 and 193,509

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Solution

The third proportional to 127,818 and 193,509 is: 292,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818 : 193,509 = 193,509 : x
  2. Step 2: Convert to fraction form
    127,818/193,509 = 193,509/x
  3. Step 3: Cross multiply
    127,818x = 193,509 × 193,509
  4. Step 4: Simplify right side
    127,818x = 37,445,733,081
  5. Step 5: Solve for x
    x = 37,445,733,081/127,818
  6. Step 6: Final answer
    x = 292,961.34

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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.