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Finding the Third Proportional to 133,396.88 and 314,888.77

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Solution

The third proportional to 133,396.88 and 314,888.77 is: 743,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,396.88 : 314,888.77 = 314,888.77 : x
  2. Step 2: Convert to fraction form
    133,396.88/314,888.77 = 314,888.77/x
  3. Step 3: Cross multiply
    133,396.88x = 314,888.77 × 314,888.77
  4. Step 4: Simplify right side
    133,396.88x = 99,154,934,716.84
  5. Step 5: Solve for x
    x = 99,154,934,716.84/133,396.88
  6. Step 6: Final answer
    x = 743,307.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.