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Finding the Third Proportional to 201,397,440 and 310,992,879

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Solution

The third proportional to 201,397,440 and 310,992,879 is: 480,227,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,440 : 310,992,879 = 310,992,879 : x
  2. Step 2: Convert to fraction form
    201,397,440/310,992,879 = 310,992,879/x
  3. Step 3: Cross multiply
    201,397,440x = 310,992,879 × 310,992,879
  4. Step 4: Simplify right side
    201,397,440x = 96,716,570,788,708,640
  5. Step 5: Solve for x
    x = 96,716,570,788,708,640/201,397,440
  6. Step 6: Final answer
    x = 480,227,408.99

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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.