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Finding the Third Proportional to 7,681 and 16,574

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Solution

The third proportional to 7,681 and 16,574 is: 35,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681 : 16,574 = 16,574 : x
  2. Step 2: Convert to fraction form
    7,681/16,574 = 16,574/x
  3. Step 3: Cross multiply
    7,681x = 16,574 × 16,574
  4. Step 4: Simplify right side
    7,681x = 274,697,476
  5. Step 5: Solve for x
    x = 274,697,476/7,681
  6. Step 6: Final answer
    x = 35,763.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.