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Finding the Third Proportional to 172,559 and 270,746

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Solution

The third proportional to 172,559 and 270,746 is: 424,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,559 : 270,746 = 270,746 : x
  2. Step 2: Convert to fraction form
    172,559/270,746 = 270,746/x
  3. Step 3: Cross multiply
    172,559x = 270,746 × 270,746
  4. Step 4: Simplify right side
    172,559x = 73,303,396,516
  5. Step 5: Solve for x
    x = 73,303,396,516/172,559
  6. Step 6: Final answer
    x = 424,801.93

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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.