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Finding the Third Proportional to 410.63 and 881.91

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Solution

The third proportional to 410.63 and 881.91 is: 1,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.63 : 881.91 = 881.91 : x
  2. Step 2: Convert to fraction form
    410.63/881.91 = 881.91/x
  3. Step 3: Cross multiply
    410.63x = 881.91 × 881.91
  4. Step 4: Simplify right side
    410.63x = 777,758.63
  5. Step 5: Solve for x
    x = 777,758.63/410.63
  6. Step 6: Final answer
    x = 1,894.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.