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Finding the Third Proportional to 204,725 and 313,572

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Solution

The third proportional to 204,725 and 313,572 is: 480,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,725 : 313,572 = 313,572 : x
  2. Step 2: Convert to fraction form
    204,725/313,572 = 313,572/x
  3. Step 3: Cross multiply
    204,725x = 313,572 × 313,572
  4. Step 4: Simplify right side
    204,725x = 98,327,399,184
  5. Step 5: Solve for x
    x = 98,327,399,184/204,725
  6. Step 6: Final answer
    x = 480,290.14

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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.