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Finding the Third Proportional to 270 and 468.50

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Solution

The third proportional to 270 and 468.50 is: 812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    270 : 468.50 = 468.50 : x
  2. Step 2: Convert to fraction form
    270/468.50 = 468.50/x
  3. Step 3: Cross multiply
    270x = 468.50 × 468.50
  4. Step 4: Simplify right side
    270x = 219,492.25
  5. Step 5: Solve for x
    x = 219,492.25/270
  6. Step 6: Final answer
    x = 812.93

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.