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Finding the Third Proportional to 9,988 and 16,574

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Solution

The third proportional to 9,988 and 16,574 is: 27,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988 : 16,574 = 16,574 : x
  2. Step 2: Convert to fraction form
    9,988/16,574 = 16,574/x
  3. Step 3: Cross multiply
    9,988x = 16,574 × 16,574
  4. Step 4: Simplify right side
    9,988x = 274,697,476
  5. Step 5: Solve for x
    x = 274,697,476/9,988
  6. Step 6: Final answer
    x = 27,502.75

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.