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Finding the Third Proportional to 386,653.50 and 848,955

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Solution

The third proportional to 386,653.50 and 848,955 is: 1,864,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,653.50 : 848,955 = 848,955 : x
  2. Step 2: Convert to fraction form
    386,653.50/848,955 = 848,955/x
  3. Step 3: Cross multiply
    386,653.50x = 848,955 × 848,955
  4. Step 4: Simplify right side
    386,653.50x = 720,724,592,025
  5. Step 5: Solve for x
    x = 720,724,592,025/386,653.50
  6. Step 6: Final answer
    x = 1,864,006.38

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.