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Finding the Third Proportional to 20,286,625.50 and 31,417,368

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Solution

The third proportional to 20,286,625.50 and 31,417,368 is: 48,655,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,625.50 : 31,417,368 = 31,417,368 : x
  2. Step 2: Convert to fraction form
    20,286,625.50/31,417,368 = 31,417,368/x
  3. Step 3: Cross multiply
    20,286,625.50x = 31,417,368 × 31,417,368
  4. Step 4: Simplify right side
    20,286,625.50x = 987,051,012,047,424
  5. Step 5: Solve for x
    x = 987,051,012,047,424/20,286,625.50
  6. Step 6: Final answer
    x = 48,655,258.71

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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.