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Finding the Third Proportional to 7,490 and 14,525

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Solution

The third proportional to 7,490 and 14,525 is: 28,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490 : 14,525 = 14,525 : x
  2. Step 2: Convert to fraction form
    7,490/14,525 = 14,525/x
  3. Step 3: Cross multiply
    7,490x = 14,525 × 14,525
  4. Step 4: Simplify right side
    7,490x = 210,975,625
  5. Step 5: Solve for x
    x = 210,975,625/7,490
  6. Step 6: Final answer
    x = 28,167.64

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.