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Finding the Third Proportional to 175,516 and 342,284

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Solution

The third proportional to 175,516 and 342,284 is: 667,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,516 : 342,284 = 342,284 : x
  2. Step 2: Convert to fraction form
    175,516/342,284 = 342,284/x
  3. Step 3: Cross multiply
    175,516x = 342,284 × 342,284
  4. Step 4: Simplify right side
    175,516x = 117,158,336,656
  5. Step 5: Solve for x
    x = 117,158,336,656/175,516
  6. Step 6: Final answer
    x = 667,508.01

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.