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Finding the Third Proportional to 433.88 and 670.50

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Solution

The third proportional to 433.88 and 670.50 is: 1,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.88 : 670.50 = 670.50 : x
  2. Step 2: Convert to fraction form
    433.88/670.50 = 670.50/x
  3. Step 3: Cross multiply
    433.88x = 670.50 × 670.50
  4. Step 4: Simplify right side
    433.88x = 449,570.25
  5. Step 5: Solve for x
    x = 449,570.25/433.88
  6. Step 6: Final answer
    x = 1,036.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.