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Finding the Third Proportional to 9,988 and 16,038

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Solution

The third proportional to 9,988 and 16,038 is: 25,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988 : 16,038 = 16,038 : x
  2. Step 2: Convert to fraction form
    9,988/16,038 = 16,038/x
  3. Step 3: Cross multiply
    9,988x = 16,038 × 16,038
  4. Step 4: Simplify right side
    9,988x = 257,217,444
  5. Step 5: Solve for x
    x = 257,217,444/9,988
  6. Step 6: Final answer
    x = 25,752.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.