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Finding the Third Proportional to 15,429.75 and 23,361

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Solution

The third proportional to 15,429.75 and 23,361 is: 35,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.75 : 23,361 = 23,361 : x
  2. Step 2: Convert to fraction form
    15,429.75/23,361 = 23,361/x
  3. Step 3: Cross multiply
    15,429.75x = 23,361 × 23,361
  4. Step 4: Simplify right side
    15,429.75x = 545,736,321
  5. Step 5: Solve for x
    x = 545,736,321/15,429.75
  6. Step 6: Final answer
    x = 35,369.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.