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Finding the Third Proportional to 7,000 and 10,646

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Solution

The third proportional to 7,000 and 10,646 is: 16,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000 : 10,646 = 10,646 : x
  2. Step 2: Convert to fraction form
    7,000/10,646 = 10,646/x
  3. Step 3: Cross multiply
    7,000x = 10,646 × 10,646
  4. Step 4: Simplify right side
    7,000x = 113,337,316
  5. Step 5: Solve for x
    x = 113,337,316/7,000
  6. Step 6: Final answer
    x = 16,191.05

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.