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Finding the Third Proportional to 148,356 and 326,196

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Solution

The third proportional to 148,356 and 326,196 is: 717,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,356 : 326,196 = 326,196 : x
  2. Step 2: Convert to fraction form
    148,356/326,196 = 326,196/x
  3. Step 3: Cross multiply
    148,356x = 326,196 × 326,196
  4. Step 4: Simplify right side
    148,356x = 106,403,830,416
  5. Step 5: Solve for x
    x = 106,403,830,416/148,356
  6. Step 6: Final answer
    x = 717,219.60

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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.