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Finding the Third Proportional to 269,562,186 and 385,211,376

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Solution

The third proportional to 269,562,186 and 385,211,376 is: 550,477,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,562,186 : 385,211,376 = 385,211,376 : x
  2. Step 2: Convert to fraction form
    269,562,186/385,211,376 = 385,211,376/x
  3. Step 3: Cross multiply
    269,562,186x = 385,211,376 × 385,211,376
  4. Step 4: Simplify right side
    269,562,186x = 148,387,804,199,813,376
  5. Step 5: Solve for x
    x = 148,387,804,199,813,376/269,562,186
  6. Step 6: Final answer
    x = 550,477,076.93

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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.