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Finding the Third Proportional to 86,534.25 and 187,830.38

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Solution

The third proportional to 86,534.25 and 187,830.38 is: 407,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,534.25 : 187,830.38 = 187,830.38 : x
  2. Step 2: Convert to fraction form
    86,534.25/187,830.38 = 187,830.38/x
  3. Step 3: Cross multiply
    86,534.25x = 187,830.38 × 187,830.38
  4. Step 4: Simplify right side
    86,534.25x = 35,280,249,772.64
  5. Step 5: Solve for x
    x = 35,280,249,772.64/86,534.25
  6. Step 6: Final answer
    x = 407,702.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.