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Finding the Third Proportional to 131,386.50 and 200,360.50

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Solution

The third proportional to 131,386.50 and 200,360.50 is: 305,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,386.50 : 200,360.50 = 200,360.50 : x
  2. Step 2: Convert to fraction form
    131,386.50/200,360.50 = 200,360.50/x
  3. Step 3: Cross multiply
    131,386.50x = 200,360.50 × 200,360.50
  4. Step 4: Simplify right side
    131,386.50x = 40,144,329,960.25
  5. Step 5: Solve for x
    x = 40,144,329,960.25/131,386.50
  6. Step 6: Final answer
    x = 305,543.80

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.