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Finding the Third Proportional to 155,850 and 340,860

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Solution

The third proportional to 155,850 and 340,860 is: 745,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,850 : 340,860 = 340,860 : x
  2. Step 2: Convert to fraction form
    155,850/340,860 = 340,860/x
  3. Step 3: Cross multiply
    155,850x = 340,860 × 340,860
  4. Step 4: Simplify right side
    155,850x = 116,185,539,600
  5. Step 5: Solve for x
    x = 116,185,539,600/155,850
  6. Step 6: Final answer
    x = 745,495.92

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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.