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Finding the Third Proportional to 28,400.63 and 62,309.25

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Solution

The third proportional to 28,400.63 and 62,309.25 is: 136,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.63 : 62,309.25 = 62,309.25 : x
  2. Step 2: Convert to fraction form
    28,400.63/62,309.25 = 62,309.25/x
  3. Step 3: Cross multiply
    28,400.63x = 62,309.25 × 62,309.25
  4. Step 4: Simplify right side
    28,400.63x = 3,882,442,635.56
  5. Step 5: Solve for x
    x = 3,882,442,635.56/28,400.63
  6. Step 6: Final answer
    x = 136,702.72

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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.