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Finding the Third Proportional to 292.50 and 346.50

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Solution

The third proportional to 292.50 and 346.50 is: 410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.50 : 346.50 = 346.50 : x
  2. Step 2: Convert to fraction form
    292.50/346.50 = 346.50/x
  3. Step 3: Cross multiply
    292.50x = 346.50 × 346.50
  4. Step 4: Simplify right side
    292.50x = 120,062.25
  5. Step 5: Solve for x
    x = 120,062.25/292.50
  6. Step 6: Final answer
    x = 410.47

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.