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Finding the Third Proportional to 3,140,391 and 6,900,102

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Solution

The third proportional to 3,140,391 and 6,900,102 is: 15,160,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,391 : 6,900,102 = 6,900,102 : x
  2. Step 2: Convert to fraction form
    3,140,391/6,900,102 = 6,900,102/x
  3. Step 3: Cross multiply
    3,140,391x = 6,900,102 × 6,900,102
  4. Step 4: Simplify right side
    3,140,391x = 47,611,407,610,404
  5. Step 5: Solve for x
    x = 47,611,407,610,404/3,140,391
  6. Step 6: Final answer
    x = 15,160,980.79

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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.