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Finding the Third Proportional to 215,623,631 and 352,056,716

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Solution

The third proportional to 215,623,631 and 352,056,716 is: 574,816,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,623,631 : 352,056,716 = 352,056,716 : x
  2. Step 2: Convert to fraction form
    215,623,631/352,056,716 = 352,056,716/x
  3. Step 3: Cross multiply
    215,623,631x = 352,056,716 × 352,056,716
  4. Step 4: Simplify right side
    215,623,631x = 123,943,931,280,704,656
  5. Step 5: Solve for x
    x = 123,943,931,280,704,656/215,623,631
  6. Step 6: Final answer
    x = 574,816,084.42

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.