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Finding the Third Proportional to 280,946.25 and 619,157.25

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Solution

The third proportional to 280,946.25 and 619,157.25 is: 1,364,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,946.25 : 619,157.25 = 619,157.25 : x
  2. Step 2: Convert to fraction form
    280,946.25/619,157.25 = 619,157.25/x
  3. Step 3: Cross multiply
    280,946.25x = 619,157.25 × 619,157.25
  4. Step 4: Simplify right side
    280,946.25x = 383,355,700,227.56
  5. Step 5: Solve for x
    x = 383,355,700,227.56/280,946.25
  6. Step 6: Final answer
    x = 1,364,516.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.