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Finding the Third Proportional to 13,315 and 28,574

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Solution

The third proportional to 13,315 and 28,574 is: 61,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315 : 28,574 = 28,574 : x
  2. Step 2: Convert to fraction form
    13,315/28,574 = 28,574/x
  3. Step 3: Cross multiply
    13,315x = 28,574 × 28,574
  4. Step 4: Simplify right side
    13,315x = 816,473,476
  5. Step 5: Solve for x
    x = 816,473,476/13,315
  6. Step 6: Final answer
    x = 61,319.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.