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Finding the Third Proportional to 358,592 and 487,263

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Solution

The third proportional to 358,592 and 487,263 is: 662,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,592 : 487,263 = 487,263 : x
  2. Step 2: Convert to fraction form
    358,592/487,263 = 487,263/x
  3. Step 3: Cross multiply
    358,592x = 487,263 × 487,263
  4. Step 4: Simplify right side
    358,592x = 237,425,231,169
  5. Step 5: Solve for x
    x = 237,425,231,169/358,592
  6. Step 6: Final answer
    x = 662,104.09

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.