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Finding the Third Proportional to 3,798,621 and 8,317,664

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Solution

The third proportional to 3,798,621 and 8,317,664 is: 18,212,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,621 : 8,317,664 = 8,317,664 : x
  2. Step 2: Convert to fraction form
    3,798,621/8,317,664 = 8,317,664/x
  3. Step 3: Cross multiply
    3,798,621x = 8,317,664 × 8,317,664
  4. Step 4: Simplify right side
    3,798,621x = 69,183,534,416,896
  5. Step 5: Solve for x
    x = 69,183,534,416,896/3,798,621
  6. Step 6: Final answer
    x = 18,212,802.60

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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.