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Finding the Third Proportional to 3,151,396 and 4,888,964

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Solution

The third proportional to 3,151,396 and 4,888,964 is: 7,584,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,396 : 4,888,964 = 4,888,964 : x
  2. Step 2: Convert to fraction form
    3,151,396/4,888,964 = 4,888,964/x
  3. Step 3: Cross multiply
    3,151,396x = 4,888,964 × 4,888,964
  4. Step 4: Simplify right side
    3,151,396x = 23,901,968,993,296
  5. Step 5: Solve for x
    x = 23,901,968,993,296/3,151,396
  6. Step 6: Final answer
    x = 7,584,565.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.