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Finding the Third Proportional to 214.13 and 499.88

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Solution

The third proportional to 214.13 and 499.88 is: 1,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.13 : 499.88 = 499.88 : x
  2. Step 2: Convert to fraction form
    214.13/499.88 = 499.88/x
  3. Step 3: Cross multiply
    214.13x = 499.88 × 499.88
  4. Step 4: Simplify right side
    214.13x = 249,875.02
  5. Step 5: Solve for x
    x = 249,875.02/214.13
  6. Step 6: Final answer
    x = 1,166.96

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.