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Finding the Third Proportional to 199,672 and 434,334

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Solution

The third proportional to 199,672 and 434,334 is: 944,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,672 : 434,334 = 434,334 : x
  2. Step 2: Convert to fraction form
    199,672/434,334 = 434,334/x
  3. Step 3: Cross multiply
    199,672x = 434,334 × 434,334
  4. Step 4: Simplify right side
    199,672x = 188,646,023,556
  5. Step 5: Solve for x
    x = 188,646,023,556/199,672
  6. Step 6: Final answer
    x = 944,779.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.