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Finding the Third Proportional to 459.50 and 562.50

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Solution

The third proportional to 459.50 and 562.50 is: 688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.50 : 562.50 = 562.50 : x
  2. Step 2: Convert to fraction form
    459.50/562.50 = 562.50/x
  3. Step 3: Cross multiply
    459.50x = 562.50 × 562.50
  4. Step 4: Simplify right side
    459.50x = 316,406.25
  5. Step 5: Solve for x
    x = 316,406.25/459.50
  6. Step 6: Final answer
    x = 688.59

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.