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Finding the Third Proportional to 330,855.50 and 715,838.50

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Solution

The third proportional to 330,855.50 and 715,838.50 is: 1,548,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,855.50 : 715,838.50 = 715,838.50 : x
  2. Step 2: Convert to fraction form
    330,855.50/715,838.50 = 715,838.50/x
  3. Step 3: Cross multiply
    330,855.50x = 715,838.50 × 715,838.50
  4. Step 4: Simplify right side
    330,855.50x = 512,424,758,082.25
  5. Step 5: Solve for x
    x = 512,424,758,082.25/330,855.50
  6. Step 6: Final answer
    x = 1,548,787.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.