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Finding the Third Proportional to 194,782.50 and 291,397.50

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Solution

The third proportional to 194,782.50 and 291,397.50 is: 435,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,782.50 : 291,397.50 = 291,397.50 : x
  2. Step 2: Convert to fraction form
    194,782.50/291,397.50 = 291,397.50/x
  3. Step 3: Cross multiply
    194,782.50x = 291,397.50 × 291,397.50
  4. Step 4: Simplify right side
    194,782.50x = 84,912,503,006.25
  5. Step 5: Solve for x
    x = 84,912,503,006.25/194,782.50
  6. Step 6: Final answer
    x = 435,934.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.