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Finding the Third Proportional to 405,735 and 867,756

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Solution

The third proportional to 405,735 and 867,756 is: 1,855,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,735 : 867,756 = 867,756 : x
  2. Step 2: Convert to fraction form
    405,735/867,756 = 867,756/x
  3. Step 3: Cross multiply
    405,735x = 867,756 × 867,756
  4. Step 4: Simplify right side
    405,735x = 753,000,475,536
  5. Step 5: Solve for x
    x = 753,000,475,536/405,735
  6. Step 6: Final answer
    x = 1,855,892.33

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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.