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Finding the Third Proportional to 28,643.63 and 62,937

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Solution

The third proportional to 28,643.63 and 62,937 is: 138,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.63 : 62,937 = 62,937 : x
  2. Step 2: Convert to fraction form
    28,643.63/62,937 = 62,937/x
  3. Step 3: Cross multiply
    28,643.63x = 62,937 × 62,937
  4. Step 4: Simplify right side
    28,643.63x = 3,961,065,969
  5. Step 5: Solve for x
    x = 3,961,065,969/28,643.63
  6. Step 6: Final answer
    x = 138,287.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.