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Finding the Third Proportional to 3,112,812 and 6,816,132

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Solution

The third proportional to 3,112,812 and 6,816,132 is: 14,925,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,812 : 6,816,132 = 6,816,132 : x
  2. Step 2: Convert to fraction form
    3,112,812/6,816,132 = 6,816,132/x
  3. Step 3: Cross multiply
    3,112,812x = 6,816,132 × 6,816,132
  4. Step 4: Simplify right side
    3,112,812x = 46,459,655,441,424
  5. Step 5: Solve for x
    x = 46,459,655,441,424/3,112,812
  6. Step 6: Final answer
    x = 14,925,300.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.