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Finding the Third Proportional to 5,454 and 7,492.50

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Solution

The third proportional to 5,454 and 7,492.50 is: 10,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454 : 7,492.50 = 7,492.50 : x
  2. Step 2: Convert to fraction form
    5,454/7,492.50 = 7,492.50/x
  3. Step 3: Cross multiply
    5,454x = 7,492.50 × 7,492.50
  4. Step 4: Simplify right side
    5,454x = 56,137,556.25
  5. Step 5: Solve for x
    x = 56,137,556.25/5,454
  6. Step 6: Final answer
    x = 10,292.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.