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Finding the Third Proportional to 129,767.63 and 281,567.25

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Solution

The third proportional to 129,767.63 and 281,567.25 is: 610,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.63 : 281,567.25 = 281,567.25 : x
  2. Step 2: Convert to fraction form
    129,767.63/281,567.25 = 281,567.25/x
  3. Step 3: Cross multiply
    129,767.63x = 281,567.25 × 281,567.25
  4. Step 4: Simplify right side
    129,767.63x = 79,280,116,272.56
  5. Step 5: Solve for x
    x = 79,280,116,272.56/129,767.63
  6. Step 6: Final answer
    x = 610,939.10

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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.