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Finding the Third Proportional to 3,169,770 and 4,815,270

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Solution

The third proportional to 3,169,770 and 4,815,270 is: 7,314,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,770 : 4,815,270 = 4,815,270 : x
  2. Step 2: Convert to fraction form
    3,169,770/4,815,270 = 4,815,270/x
  3. Step 3: Cross multiply
    3,169,770x = 4,815,270 × 4,815,270
  4. Step 4: Simplify right side
    3,169,770x = 23,186,825,172,900
  5. Step 5: Solve for x
    x = 23,186,825,172,900/3,169,770
  6. Step 6: Final answer
    x = 7,314,986.63

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.