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Finding the Third Proportional to 20,862,392 and 31,913,656

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Solution

The third proportional to 20,862,392 and 31,913,656 is: 48,819,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,392 : 31,913,656 = 31,913,656 : x
  2. Step 2: Convert to fraction form
    20,862,392/31,913,656 = 31,913,656/x
  3. Step 3: Cross multiply
    20,862,392x = 31,913,656 × 31,913,656
  4. Step 4: Simplify right side
    20,862,392x = 1,018,481,439,286,336
  5. Step 5: Solve for x
    x = 1,018,481,439,286,336/20,862,392
  6. Step 6: Final answer
    x = 48,819,015.54

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.