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Finding the Third Proportional to 386,778,672 and 599,775,192

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Solution

The third proportional to 386,778,672 and 599,775,192 is: 930,067,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,778,672 : 599,775,192 = 599,775,192 : x
  2. Step 2: Convert to fraction form
    386,778,672/599,775,192 = 599,775,192/x
  3. Step 3: Cross multiply
    386,778,672x = 599,775,192 × 599,775,192
  4. Step 4: Simplify right side
    386,778,672x = 359,730,280,938,636,864
  5. Step 5: Solve for x
    x = 359,730,280,938,636,864/386,778,672
  6. Step 6: Final answer
    x = 930,067,521.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.