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Finding the Third Proportional to 281,023.13 and 428,537.81

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Solution

The third proportional to 281,023.13 and 428,537.81 is: 653,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,023.13 : 428,537.81 = 428,537.81 : x
  2. Step 2: Convert to fraction form
    281,023.13/428,537.81 = 428,537.81/x
  3. Step 3: Cross multiply
    281,023.13x = 428,537.81 × 428,537.81
  4. Step 4: Simplify right side
    281,023.13x = 183,644,656,742.29
  5. Step 5: Solve for x
    x = 183,644,656,742.29/281,023.13
  6. Step 6: Final answer
    x = 653,485.92

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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.