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Finding the Third Proportional to 251,508 and 549,656

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Solution

The third proportional to 251,508 and 549,656 is: 1,201,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,508 : 549,656 = 549,656 : x
  2. Step 2: Convert to fraction form
    251,508/549,656 = 549,656/x
  3. Step 3: Cross multiply
    251,508x = 549,656 × 549,656
  4. Step 4: Simplify right side
    251,508x = 302,121,718,336
  5. Step 5: Solve for x
    x = 302,121,718,336/251,508
  6. Step 6: Final answer
    x = 1,201,240.99

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.