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Finding the Third Proportional to 208,383,351.47 and 453,085,989.19

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Solution

The third proportional to 208,383,351.47 and 453,085,989.19 is: 985,140,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,383,351.47 : 453,085,989.19 = 453,085,989.19 : x
  2. Step 2: Convert to fraction form
    208,383,351.47/453,085,989.19 = 453,085,989.19/x
  3. Step 3: Cross multiply
    208,383,351.47x = 453,085,989.19 × 453,085,989.19
  4. Step 4: Simplify right side
    208,383,351.47x = 205,286,913,598,015,360
  5. Step 5: Solve for x
    x = 205,286,913,598,015,360/208,383,351.47
  6. Step 6: Final answer
    x = 985,140,665.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.