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Finding the Third Proportional to 20,427,364 and 31,673,318

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Solution

The third proportional to 20,427,364 and 31,673,318 is: 49,110,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427,364 : 31,673,318 = 31,673,318 : x
  2. Step 2: Convert to fraction form
    20,427,364/31,673,318 = 31,673,318/x
  3. Step 3: Cross multiply
    20,427,364x = 31,673,318 × 31,673,318
  4. Step 4: Simplify right side
    20,427,364x = 1,003,199,073,129,124
  5. Step 5: Solve for x
    x = 1,003,199,073,129,124/20,427,364
  6. Step 6: Final answer
    x = 49,110,549.61

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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.