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Finding the Third Proportional to 476.50 and 526.50

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Solution

The third proportional to 476.50 and 526.50 is: 581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.50 : 526.50 = 526.50 : x
  2. Step 2: Convert to fraction form
    476.50/526.50 = 526.50/x
  3. Step 3: Cross multiply
    476.50x = 526.50 × 526.50
  4. Step 4: Simplify right side
    476.50x = 277,202.25
  5. Step 5: Solve for x
    x = 277,202.25/476.50
  6. Step 6: Final answer
    x = 581.75

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.