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Finding the Third Proportional to 148,100 and 319,844

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Solution

The third proportional to 148,100 and 319,844 is: 690,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,100 : 319,844 = 319,844 : x
  2. Step 2: Convert to fraction form
    148,100/319,844 = 319,844/x
  3. Step 3: Cross multiply
    148,100x = 319,844 × 319,844
  4. Step 4: Simplify right side
    148,100x = 102,300,184,336
  5. Step 5: Solve for x
    x = 102,300,184,336/148,100
  6. Step 6: Final answer
    x = 690,750.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.