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Finding the Third Proportional to 3,140,394.75 and 6,900,111

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Solution

The third proportional to 3,140,394.75 and 6,900,111 is: 15,161,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,394.75 : 6,900,111 = 6,900,111 : x
  2. Step 2: Convert to fraction form
    3,140,394.75/6,900,111 = 6,900,111/x
  3. Step 3: Cross multiply
    3,140,394.75x = 6,900,111 × 6,900,111
  4. Step 4: Simplify right side
    3,140,394.75x = 47,611,531,812,321
  5. Step 5: Solve for x
    x = 47,611,531,812,321/3,140,394.75
  6. Step 6: Final answer
    x = 15,161,002.23

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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.