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Finding the Third Proportional to 191,145.75 and 415,519.50

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Solution

The third proportional to 191,145.75 and 415,519.50 is: 903,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,145.75 : 415,519.50 = 415,519.50 : x
  2. Step 2: Convert to fraction form
    191,145.75/415,519.50 = 415,519.50/x
  3. Step 3: Cross multiply
    191,145.75x = 415,519.50 × 415,519.50
  4. Step 4: Simplify right side
    191,145.75x = 172,656,454,880.25
  5. Step 5: Solve for x
    x = 172,656,454,880.25/191,145.75
  6. Step 6: Final answer
    x = 903,271.22

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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.