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Finding the Third Proportional to 891,067.50 and 1,276,911

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Solution

The third proportional to 891,067.50 and 1,276,911 is: 1,829,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,067.50 : 1,276,911 = 1,276,911 : x
  2. Step 2: Convert to fraction form
    891,067.50/1,276,911 = 1,276,911/x
  3. Step 3: Cross multiply
    891,067.50x = 1,276,911 × 1,276,911
  4. Step 4: Simplify right side
    891,067.50x = 1,630,501,701,921
  5. Step 5: Solve for x
    x = 1,630,501,701,921/891,067.50
  6. Step 6: Final answer
    x = 1,829,829.62

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.