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Finding the Third Proportional to 104,605 and 157,890

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Solution

The third proportional to 104,605 and 157,890 is: 238,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,605 : 157,890 = 157,890 : x
  2. Step 2: Convert to fraction form
    104,605/157,890 = 157,890/x
  3. Step 3: Cross multiply
    104,605x = 157,890 × 157,890
  4. Step 4: Simplify right side
    104,605x = 24,929,252,100
  5. Step 5: Solve for x
    x = 24,929,252,100/104,605
  6. Step 6: Final answer
    x = 238,317.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.