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Finding the Third Proportional to 14,279,412 and 31,393,172

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Solution

The third proportional to 14,279,412 and 31,393,172 is: 69,017,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,412 : 31,393,172 = 31,393,172 : x
  2. Step 2: Convert to fraction form
    14,279,412/31,393,172 = 31,393,172/x
  3. Step 3: Cross multiply
    14,279,412x = 31,393,172 × 31,393,172
  4. Step 4: Simplify right side
    14,279,412x = 985,531,248,221,584
  5. Step 5: Solve for x
    x = 985,531,248,221,584/14,279,412
  6. Step 6: Final answer
    x = 69,017,635.20

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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.