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Finding the Third Proportional to 230,949,174 and 478,268,772

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Solution

The third proportional to 230,949,174 and 478,268,772 is: 990,438,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,949,174 : 478,268,772 = 478,268,772 : x
  2. Step 2: Convert to fraction form
    230,949,174/478,268,772 = 478,268,772/x
  3. Step 3: Cross multiply
    230,949,174x = 478,268,772 × 478,268,772
  4. Step 4: Simplify right side
    230,949,174x = 228,741,018,270,387,968
  5. Step 5: Solve for x
    x = 228,741,018,270,387,968/230,949,174
  6. Step 6: Final answer
    x = 990,438,780.57

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.