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Finding the Third Proportional to 527.63 and 869.63

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Solution

The third proportional to 527.63 and 869.63 is: 1,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.63 : 869.63 = 869.63 : x
  2. Step 2: Convert to fraction form
    527.63/869.63 = 869.63/x
  3. Step 3: Cross multiply
    527.63x = 869.63 × 869.63
  4. Step 4: Simplify right side
    527.63x = 756,247.64
  5. Step 5: Solve for x
    x = 756,247.64/527.63
  6. Step 6: Final answer
    x = 1,433.31

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.