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Finding the Third Proportional to 4,278,068.16 and 6,629,245.03

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Solution

The third proportional to 4,278,068.16 and 6,629,245.03 is: 10,272,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,068.16 : 6,629,245.03 = 6,629,245.03 : x
  2. Step 2: Convert to fraction form
    4,278,068.16/6,629,245.03 = 6,629,245.03/x
  3. Step 3: Cross multiply
    4,278,068.16x = 6,629,245.03 × 6,629,245.03
  4. Step 4: Simplify right side
    4,278,068.16x = 43,946,889,684,352.81
  5. Step 5: Solve for x
    x = 43,946,889,684,352.81/4,278,068.16
  6. Step 6: Final answer
    x = 10,272,601.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.