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Finding the Third Proportional to 10,557 and 17,151.75

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Solution

The third proportional to 10,557 and 17,151.75 is: 27,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557 : 17,151.75 = 17,151.75 : x
  2. Step 2: Convert to fraction form
    10,557/17,151.75 = 17,151.75/x
  3. Step 3: Cross multiply
    10,557x = 17,151.75 × 17,151.75
  4. Step 4: Simplify right side
    10,557x = 294,182,528.06
  5. Step 5: Solve for x
    x = 294,182,528.06/10,557
  6. Step 6: Final answer
    x = 27,866.11

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.