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Finding the Third Proportional to 285,190.50 and 619,645.50

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Solution

The third proportional to 285,190.50 and 619,645.50 is: 1,346,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,190.50 : 619,645.50 = 619,645.50 : x
  2. Step 2: Convert to fraction form
    285,190.50/619,645.50 = 619,645.50/x
  3. Step 3: Cross multiply
    285,190.50x = 619,645.50 × 619,645.50
  4. Step 4: Simplify right side
    285,190.50x = 383,960,545,670.25
  5. Step 5: Solve for x
    x = 383,960,545,670.25/285,190.50
  6. Step 6: Final answer
    x = 1,346,330.07

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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.