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Finding the Third Proportional to 77,573 and 160,127.50

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Solution

The third proportional to 77,573 and 160,127.50 is: 330,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573 : 160,127.50 = 160,127.50 : x
  2. Step 2: Convert to fraction form
    77,573/160,127.50 = 160,127.50/x
  3. Step 3: Cross multiply
    77,573x = 160,127.50 × 160,127.50
  4. Step 4: Simplify right side
    77,573x = 25,640,816,256.25
  5. Step 5: Solve for x
    x = 25,640,816,256.25/77,573
  6. Step 6: Final answer
    x = 330,537.90

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.