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Finding the Third Proportional to 172,287,083 and 378,049,482

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Solution

The third proportional to 172,287,083 and 378,049,482 is: 829,553,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287,083 : 378,049,482 = 378,049,482 : x
  2. Step 2: Convert to fraction form
    172,287,083/378,049,482 = 378,049,482/x
  3. Step 3: Cross multiply
    172,287,083x = 378,049,482 × 378,049,482
  4. Step 4: Simplify right side
    172,287,083x = 142,921,410,840,468,320
  5. Step 5: Solve for x
    x = 142,921,410,840,468,320/172,287,083
  6. Step 6: Final answer
    x = 829,553,837.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.