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Finding the Third Proportional to 15,784 and 22,260

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Solution

The third proportional to 15,784 and 22,260 is: 31,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784 : 22,260 = 22,260 : x
  2. Step 2: Convert to fraction form
    15,784/22,260 = 22,260/x
  3. Step 3: Cross multiply
    15,784x = 22,260 × 22,260
  4. Step 4: Simplify right side
    15,784x = 495,507,600
  5. Step 5: Solve for x
    x = 495,507,600/15,784
  6. Step 6: Final answer
    x = 31,393.03

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.