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Finding the Third Proportional to 358,740.50 and 787,453

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Solution

The third proportional to 358,740.50 and 787,453 is: 1,728,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,740.50 : 787,453 = 787,453 : x
  2. Step 2: Convert to fraction form
    358,740.50/787,453 = 787,453/x
  3. Step 3: Cross multiply
    358,740.50x = 787,453 × 787,453
  4. Step 4: Simplify right side
    358,740.50x = 620,082,227,209
  5. Step 5: Solve for x
    x = 620,082,227,209/358,740.50
  6. Step 6: Final answer
    x = 1,728,497.97

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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.