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Finding the Third Proportional to 3,159,989 and 4,773,192

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Solution

The third proportional to 3,159,989 and 4,773,192 is: 7,209,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,989 : 4,773,192 = 4,773,192 : x
  2. Step 2: Convert to fraction form
    3,159,989/4,773,192 = 4,773,192/x
  3. Step 3: Cross multiply
    3,159,989x = 4,773,192 × 4,773,192
  4. Step 4: Simplify right side
    3,159,989x = 22,783,361,868,864
  5. Step 5: Solve for x
    x = 22,783,361,868,864/3,159,989
  6. Step 6: Final answer
    x = 7,209,949.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.