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Finding the Third Proportional to 7,196,290 and 15,459,812

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Solution

The third proportional to 7,196,290 and 15,459,812 is: 33,212,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,290 : 15,459,812 = 15,459,812 : x
  2. Step 2: Convert to fraction form
    7,196,290/15,459,812 = 15,459,812/x
  3. Step 3: Cross multiply
    7,196,290x = 15,459,812 × 15,459,812
  4. Step 4: Simplify right side
    7,196,290x = 239,005,787,075,344
  5. Step 5: Solve for x
    x = 239,005,787,075,344/7,196,290
  6. Step 6: Final answer
    x = 33,212,361.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.