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Finding the Third Proportional to 29,218 and 42,893.75

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Solution

The third proportional to 29,218 and 42,893.75 is: 62,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218 : 42,893.75 = 42,893.75 : x
  2. Step 2: Convert to fraction form
    29,218/42,893.75 = 42,893.75/x
  3. Step 3: Cross multiply
    29,218x = 42,893.75 × 42,893.75
  4. Step 4: Simplify right side
    29,218x = 1,839,873,789.06
  5. Step 5: Solve for x
    x = 1,839,873,789.06/29,218
  6. Step 6: Final answer
    x = 62,970.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.