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Finding the Third Proportional to 173,860 and 361,040

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Solution

The third proportional to 173,860 and 361,040 is: 749,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860 : 361,040 = 361,040 : x
  2. Step 2: Convert to fraction form
    173,860/361,040 = 361,040/x
  3. Step 3: Cross multiply
    173,860x = 361,040 × 361,040
  4. Step 4: Simplify right side
    173,860x = 130,349,881,600
  5. Step 5: Solve for x
    x = 130,349,881,600/173,860
  6. Step 6: Final answer
    x = 749,740.49

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.