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Finding the Third Proportional to 20,286,627.75 and 31,417,371

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Solution

The third proportional to 20,286,627.75 and 31,417,371 is: 48,655,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,627.75 : 31,417,371 = 31,417,371 : x
  2. Step 2: Convert to fraction form
    20,286,627.75/31,417,371 = 31,417,371/x
  3. Step 3: Cross multiply
    20,286,627.75x = 31,417,371 × 31,417,371
  4. Step 4: Simplify right side
    20,286,627.75x = 987,051,200,551,641
  5. Step 5: Solve for x
    x = 987,051,200,551,641/20,286,627.75
  6. Step 6: Final answer
    x = 48,655,262.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.