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Finding the Third Proportional to 358,660 and 549,517

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Solution

The third proportional to 358,660 and 549,517 is: 841,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,660 : 549,517 = 549,517 : x
  2. Step 2: Convert to fraction form
    358,660/549,517 = 549,517/x
  3. Step 3: Cross multiply
    358,660x = 549,517 × 549,517
  4. Step 4: Simplify right side
    358,660x = 301,968,933,289
  5. Step 5: Solve for x
    x = 301,968,933,289/358,660
  6. Step 6: Final answer
    x = 841,936.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.