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Finding the Third Proportional to 201,397,836 and 310,993,479

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Solution

The third proportional to 201,397,836 and 310,993,479 is: 480,228,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,836 : 310,993,479 = 310,993,479 : x
  2. Step 2: Convert to fraction form
    201,397,836/310,993,479 = 310,993,479/x
  3. Step 3: Cross multiply
    201,397,836x = 310,993,479 × 310,993,479
  4. Step 4: Simplify right side
    201,397,836x = 96,716,943,980,523,440
  5. Step 5: Solve for x
    x = 96,716,943,980,523,440/201,397,836
  6. Step 6: Final answer
    x = 480,228,317.75

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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.