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Finding the Third Proportional to 3,119,809.50 and 6,813,771

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Solution

The third proportional to 3,119,809.50 and 6,813,771 is: 14,881,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,809.50 : 6,813,771 = 6,813,771 : x
  2. Step 2: Convert to fraction form
    3,119,809.50/6,813,771 = 6,813,771/x
  3. Step 3: Cross multiply
    3,119,809.50x = 6,813,771 × 6,813,771
  4. Step 4: Simplify right side
    3,119,809.50x = 46,427,475,240,441
  5. Step 5: Solve for x
    x = 46,427,475,240,441/3,119,809.50
  6. Step 6: Final answer
    x = 14,881,509.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.