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Finding the Third Proportional to 7,431,138 and 16,370,800

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Solution

The third proportional to 7,431,138 and 16,370,800 is: 36,064,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,138 : 16,370,800 = 16,370,800 : x
  2. Step 2: Convert to fraction form
    7,431,138/16,370,800 = 16,370,800/x
  3. Step 3: Cross multiply
    7,431,138x = 16,370,800 × 16,370,800
  4. Step 4: Simplify right side
    7,431,138x = 268,003,092,640,000
  5. Step 5: Solve for x
    x = 268,003,092,640,000/7,431,138
  6. Step 6: Final answer
    x = 36,064,878.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.