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Finding the Third Proportional to 526.13 and 881.81

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Solution

The third proportional to 526.13 and 881.81 is: 1,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.13 : 881.81 = 881.81 : x
  2. Step 2: Convert to fraction form
    526.13/881.81 = 881.81/x
  3. Step 3: Cross multiply
    526.13x = 881.81 × 881.81
  4. Step 4: Simplify right side
    526.13x = 777,593.29
  5. Step 5: Solve for x
    x = 777,593.29/526.13
  6. Step 6: Final answer
    x = 1,477.96

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.