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Finding the Third Proportional to 269,552,277 and 385,196,448

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Solution

The third proportional to 269,552,277 and 385,196,448 is: 550,454,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,552,277 : 385,196,448 = 385,196,448 : x
  2. Step 2: Convert to fraction form
    269,552,277/385,196,448 = 385,196,448/x
  3. Step 3: Cross multiply
    269,552,277x = 385,196,448 × 385,196,448
  4. Step 4: Simplify right side
    269,552,277x = 148,376,303,551,816,704
  5. Step 5: Solve for x
    x = 148,376,303,551,816,704/269,552,277
  6. Step 6: Final answer
    x = 550,454,647.25

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.