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Finding the Third Proportional to 1,023,138,478 and 2,219,935,771

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Solution

The third proportional to 1,023,138,478 and 2,219,935,771 is: 4,816,664,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,138,478 : 2,219,935,771 = 2,219,935,771 : x
  2. Step 2: Convert to fraction form
    1,023,138,478/2,219,935,771 = 2,219,935,771/x
  3. Step 3: Cross multiply
    1,023,138,478x = 2,219,935,771 × 2,219,935,771
  4. Step 4: Simplify right side
    1,023,138,478x = 4,928,114,827,365,364,736
  5. Step 5: Solve for x
    x = 4,928,114,827,365,364,736/1,023,138,478
  6. Step 6: Final answer
    x = 4,816,664,540.85

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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.