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Finding the Third Proportional to 235.50 and 507

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Solution

The third proportional to 235.50 and 507 is: 1,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.50 : 507 = 507 : x
  2. Step 2: Convert to fraction form
    235.50/507 = 507/x
  3. Step 3: Cross multiply
    235.50x = 507 × 507
  4. Step 4: Simplify right side
    235.50x = 257,049
  5. Step 5: Solve for x
    x = 257,049/235.50
  6. Step 6: Final answer
    x = 1,091.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.