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Finding the Third Proportional to 410,157 and 900,963

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Solution

The third proportional to 410,157 and 900,963 is: 1,979,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,157 : 900,963 = 900,963 : x
  2. Step 2: Convert to fraction form
    410,157/900,963 = 900,963/x
  3. Step 3: Cross multiply
    410,157x = 900,963 × 900,963
  4. Step 4: Simplify right side
    410,157x = 811,734,327,369
  5. Step 5: Solve for x
    x = 811,734,327,369/410,157
  6. Step 6: Final answer
    x = 1,979,081.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.