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Finding the Third Proportional to 904.88 and 1,180.50

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Solution

The third proportional to 904.88 and 1,180.50 is: 1,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.88 : 1,180.50 = 1,180.50 : x
  2. Step 2: Convert to fraction form
    904.88/1,180.50 = 1,180.50/x
  3. Step 3: Cross multiply
    904.88x = 1,180.50 × 1,180.50
  4. Step 4: Simplify right side
    904.88x = 1,393,580.25
  5. Step 5: Solve for x
    x = 1,393,580.25/904.88
  6. Step 6: Final answer
    x = 1,540.08

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.