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Finding the Third Proportional to 395,215.50 and 867,246

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Solution

The third proportional to 395,215.50 and 867,246 is: 1,903,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,215.50 : 867,246 = 867,246 : x
  2. Step 2: Convert to fraction form
    395,215.50/867,246 = 867,246/x
  3. Step 3: Cross multiply
    395,215.50x = 867,246 × 867,246
  4. Step 4: Simplify right side
    395,215.50x = 752,115,624,516
  5. Step 5: Solve for x
    x = 752,115,624,516/395,215.50
  6. Step 6: Final answer
    x = 1,903,051.94

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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.