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Finding the Third Proportional to 368,475,869 and 787,970,065

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Solution

The third proportional to 368,475,869 and 787,970,065 is: 1,685,040,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,475,869 : 787,970,065 = 787,970,065 : x
  2. Step 2: Convert to fraction form
    368,475,869/787,970,065 = 787,970,065/x
  3. Step 3: Cross multiply
    368,475,869x = 787,970,065 × 787,970,065
  4. Step 4: Simplify right side
    368,475,869x = 620,896,823,336,104,192
  5. Step 5: Solve for x
    x = 620,896,823,336,104,192/368,475,869
  6. Step 6: Final answer
    x = 1,685,040,665.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.