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Finding the Third Proportional to 1,765,838 and 3,813,920

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Solution

The third proportional to 1,765,838 and 3,813,920 is: 8,237,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,838 : 3,813,920 = 3,813,920 : x
  2. Step 2: Convert to fraction form
    1,765,838/3,813,920 = 3,813,920/x
  3. Step 3: Cross multiply
    1,765,838x = 3,813,920 × 3,813,920
  4. Step 4: Simplify right side
    1,765,838x = 14,545,985,766,400
  5. Step 5: Solve for x
    x = 14,545,985,766,400/1,765,838
  6. Step 6: Final answer
    x = 8,237,440.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.