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Finding the Third Proportional to 5,284 and 7,387.50

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Solution

The third proportional to 5,284 and 7,387.50 is: 10,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284 : 7,387.50 = 7,387.50 : x
  2. Step 2: Convert to fraction form
    5,284/7,387.50 = 7,387.50/x
  3. Step 3: Cross multiply
    5,284x = 7,387.50 × 7,387.50
  4. Step 4: Simplify right side
    5,284x = 54,575,156.25
  5. Step 5: Solve for x
    x = 54,575,156.25/5,284
  6. Step 6: Final answer
    x = 10,328.38

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.