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Finding the Third Proportional to 201,397,800 and 310,993,423

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Solution

The third proportional to 201,397,800 and 310,993,423 is: 480,228,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,800 : 310,993,423 = 310,993,423 : x
  2. Step 2: Convert to fraction form
    201,397,800/310,993,423 = 310,993,423/x
  3. Step 3: Cross multiply
    201,397,800x = 310,993,423 × 310,993,423
  4. Step 4: Simplify right side
    201,397,800x = 96,716,909,149,256,928
  5. Step 5: Solve for x
    x = 96,716,909,149,256,928/201,397,800
  6. Step 6: Final answer
    x = 480,228,230.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.