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Finding the Third Proportional to 201,397,720 and 310,993,299

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Solution

The third proportional to 201,397,720 and 310,993,299 is: 480,228,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,720 : 310,993,299 = 310,993,299 : x
  2. Step 2: Convert to fraction form
    201,397,720/310,993,299 = 310,993,299/x
  3. Step 3: Cross multiply
    201,397,720x = 310,993,299 × 310,993,299
  4. Step 4: Simplify right side
    201,397,720x = 96,716,832,022,903,408
  5. Step 5: Solve for x
    x = 96,716,832,022,903,408/201,397,720
  6. Step 6: Final answer
    x = 480,228,038.45

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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.