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Finding the Third Proportional to 135,718.13 and 268,030.13

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Solution

The third proportional to 135,718.13 and 268,030.13 is: 529,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,718.13 : 268,030.13 = 268,030.13 : x
  2. Step 2: Convert to fraction form
    135,718.13/268,030.13 = 268,030.13/x
  3. Step 3: Cross multiply
    135,718.13x = 268,030.13 × 268,030.13
  4. Step 4: Simplify right side
    135,718.13x = 71,840,147,907.52
  5. Step 5: Solve for x
    x = 71,840,147,907.52/135,718.13
  6. Step 6: Final answer
    x = 529,333.48

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These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.