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Finding the Third Proportional to 15,000 and 32,590

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Solution

The third proportional to 15,000 and 32,590 is: 70,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000 : 32,590 = 32,590 : x
  2. Step 2: Convert to fraction form
    15,000/32,590 = 32,590/x
  3. Step 3: Cross multiply
    15,000x = 32,590 × 32,590
  4. Step 4: Simplify right side
    15,000x = 1,062,108,100
  5. Step 5: Solve for x
    x = 1,062,108,100/15,000
  6. Step 6: Final answer
    x = 70,807.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.