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Finding the Third Proportional to 3,118,725 and 4,665,145.50

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Solution

The third proportional to 3,118,725 and 4,665,145.50 is: 6,978,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,725 : 4,665,145.50 = 4,665,145.50 : x
  2. Step 2: Convert to fraction form
    3,118,725/4,665,145.50 = 4,665,145.50/x
  3. Step 3: Cross multiply
    3,118,725x = 4,665,145.50 × 4,665,145.50
  4. Step 4: Simplify right side
    3,118,725x = 21,763,582,536,170.25
  5. Step 5: Solve for x
    x = 21,763,582,536,170.25/3,118,725
  6. Step 6: Final answer
    x = 6,978,358.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.