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Finding the Third Proportional to 201,397,517 and 310,992,999

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Solution

The third proportional to 201,397,517 and 310,992,999 is: 480,227,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,517 : 310,992,999 = 310,992,999 : x
  2. Step 2: Convert to fraction form
    201,397,517/310,992,999 = 310,992,999/x
  3. Step 3: Cross multiply
    201,397,517x = 310,992,999 × 310,992,999
  4. Step 4: Simplify right side
    201,397,517x = 96,716,645,427,014,000
  5. Step 5: Solve for x
    x = 96,716,645,427,014,000/201,397,517
  6. Step 6: Final answer
    x = 480,227,595.99

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