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Finding the Third Proportional to 15,475 and 33,413

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Solution

The third proportional to 15,475 and 33,413 is: 72,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475 : 33,413 = 33,413 : x
  2. Step 2: Convert to fraction form
    15,475/33,413 = 33,413/x
  3. Step 3: Cross multiply
    15,475x = 33,413 × 33,413
  4. Step 4: Simplify right side
    15,475x = 1,116,428,569
  5. Step 5: Solve for x
    x = 1,116,428,569/15,475
  6. Step 6: Final answer
    x = 72,144.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.