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Finding the Third Proportional to 127,799.06 and 268,818.78

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Solution

The third proportional to 127,799.06 and 268,818.78 is: 565,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,799.06 : 268,818.78 = 268,818.78 : x
  2. Step 2: Convert to fraction form
    127,799.06/268,818.78 = 268,818.78/x
  3. Step 3: Cross multiply
    127,799.06x = 268,818.78 × 268,818.78
  4. Step 4: Simplify right side
    127,799.06x = 72,263,537,152.74
  5. Step 5: Solve for x
    x = 72,263,537,152.74/127,799.06
  6. Step 6: Final answer
    x = 565,446.54

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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.