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Finding the Third Proportional to 201,397,850 and 310,993,500

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Solution

The third proportional to 201,397,850 and 310,993,500 is: 480,228,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,850 : 310,993,500 = 310,993,500 : x
  2. Step 2: Convert to fraction form
    201,397,850/310,993,500 = 310,993,500/x
  3. Step 3: Cross multiply
    201,397,850x = 310,993,500 × 310,993,500
  4. Step 4: Simplify right side
    201,397,850x = 96,716,957,042,250,000
  5. Step 5: Solve for x
    x = 96,716,957,042,250,000/201,397,850
  6. Step 6: Final answer
    x = 480,228,349.22

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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.