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Finding the Third Proportional to 28,247.63 and 62,690.63

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Solution

The third proportional to 28,247.63 and 62,690.63 is: 139,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.63 : 62,690.63 = 62,690.63 : x
  2. Step 2: Convert to fraction form
    28,247.63/62,690.63 = 62,690.63/x
  3. Step 3: Cross multiply
    28,247.63x = 62,690.63 × 62,690.63
  4. Step 4: Simplify right side
    28,247.63x = 3,930,114,462.89
  5. Step 5: Solve for x
    x = 3,930,114,462.89/28,247.63
  6. Step 6: Final answer
    x = 139,130.79

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.