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Finding the Third Proportional to 471,921 and 1,022,575.50

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Solution

The third proportional to 471,921 and 1,022,575.50 is: 2,215,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,921 : 1,022,575.50 = 1,022,575.50 : x
  2. Step 2: Convert to fraction form
    471,921/1,022,575.50 = 1,022,575.50/x
  3. Step 3: Cross multiply
    471,921x = 1,022,575.50 × 1,022,575.50
  4. Step 4: Simplify right side
    471,921x = 1,045,660,653,200.25
  5. Step 5: Solve for x
    x = 1,045,660,653,200.25/471,921
  6. Step 6: Final answer
    x = 2,215,753.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.