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Finding the Third Proportional to 28,956.66 and 63,449.16

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Solution

The third proportional to 28,956.66 and 63,449.16 is: 139,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.66 : 63,449.16 = 63,449.16 : x
  2. Step 2: Convert to fraction form
    28,956.66/63,449.16 = 63,449.16/x
  3. Step 3: Cross multiply
    28,956.66x = 63,449.16 × 63,449.16
  4. Step 4: Simplify right side
    28,956.66x = 4,025,795,428.84
  5. Step 5: Solve for x
    x = 4,025,795,428.84/28,956.66
  6. Step 6: Final answer
    x = 139,028.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.