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Finding the Third Proportional to 71,307 and 155,844

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Solution

The third proportional to 71,307 and 155,844 is: 340,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307 : 155,844 = 155,844 : x
  2. Step 2: Convert to fraction form
    71,307/155,844 = 155,844/x
  3. Step 3: Cross multiply
    71,307x = 155,844 × 155,844
  4. Step 4: Simplify right side
    71,307x = 24,287,352,336
  5. Step 5: Solve for x
    x = 24,287,352,336/71,307
  6. Step 6: Final answer
    x = 340,602.64

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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.