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Finding the Third Proportional to 567.50 and 813

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Solution

The third proportional to 567.50 and 813 is: 1,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.50 : 813 = 813 : x
  2. Step 2: Convert to fraction form
    567.50/813 = 813/x
  3. Step 3: Cross multiply
    567.50x = 813 × 813
  4. Step 4: Simplify right side
    567.50x = 660,969
  5. Step 5: Solve for x
    x = 660,969/567.50
  6. Step 6: Final answer
    x = 1,164.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.