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Finding the Third Proportional to 466.50 and 1,209

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Solution

The third proportional to 466.50 and 1,209 is: 3,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.50 : 1,209 = 1,209 : x
  2. Step 2: Convert to fraction form
    466.50/1,209 = 1,209/x
  3. Step 3: Cross multiply
    466.50x = 1,209 × 1,209
  4. Step 4: Simplify right side
    466.50x = 1,461,681
  5. Step 5: Solve for x
    x = 1,461,681/466.50
  6. Step 6: Final answer
    x = 3,133.29

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.