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Finding the Third Proportional to 201,954 and 313,594

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Solution

The third proportional to 201,954 and 313,594 is: 486,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,954 : 313,594 = 313,594 : x
  2. Step 2: Convert to fraction form
    201,954/313,594 = 313,594/x
  3. Step 3: Cross multiply
    201,954x = 313,594 × 313,594
  4. Step 4: Simplify right side
    201,954x = 98,341,196,836
  5. Step 5: Solve for x
    x = 98,341,196,836/201,954
  6. Step 6: Final answer
    x = 486,948.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.