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Finding the Third Proportional to 330,985 and 714,443

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Solution

The third proportional to 330,985 and 714,443 is: 1,542,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985 : 714,443 = 714,443 : x
  2. Step 2: Convert to fraction form
    330,985/714,443 = 714,443/x
  3. Step 3: Cross multiply
    330,985x = 714,443 × 714,443
  4. Step 4: Simplify right side
    330,985x = 510,428,800,249
  5. Step 5: Solve for x
    x = 510,428,800,249/330,985
  6. Step 6: Final answer
    x = 1,542,150.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.