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Finding the Third Proportional to 131,064.75 and 285,943.50

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Solution

The third proportional to 131,064.75 and 285,943.50 is: 623,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,064.75 : 285,943.50 = 285,943.50 : x
  2. Step 2: Convert to fraction form
    131,064.75/285,943.50 = 285,943.50/x
  3. Step 3: Cross multiply
    131,064.75x = 285,943.50 × 285,943.50
  4. Step 4: Simplify right side
    131,064.75x = 81,763,685,192.25
  5. Step 5: Solve for x
    x = 81,763,685,192.25/131,064.75
  6. Step 6: Final answer
    x = 623,841.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.