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Finding the Third Proportional to 553,738 and 867,516

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Solution

The third proportional to 553,738 and 867,516 is: 1,359,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,738 : 867,516 = 867,516 : x
  2. Step 2: Convert to fraction form
    553,738/867,516 = 867,516/x
  3. Step 3: Cross multiply
    553,738x = 867,516 × 867,516
  4. Step 4: Simplify right side
    553,738x = 752,584,010,256
  5. Step 5: Solve for x
    x = 752,584,010,256/553,738
  6. Step 6: Final answer
    x = 1,359,097.64

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.