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Finding the Third Proportional to 16,356,640 and 25,660,991

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Solution

The third proportional to 16,356,640 and 25,660,991 is: 40,258,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356,640 : 25,660,991 = 25,660,991 : x
  2. Step 2: Convert to fraction form
    16,356,640/25,660,991 = 25,660,991/x
  3. Step 3: Cross multiply
    16,356,640x = 25,660,991 × 25,660,991
  4. Step 4: Simplify right side
    16,356,640x = 658,486,459,102,081
  5. Step 5: Solve for x
    x = 658,486,459,102,081/16,356,640
  6. Step 6: Final answer
    x = 40,258,051.72

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.