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Finding the Third Proportional to 301,486.50 and 479,904

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Solution

The third proportional to 301,486.50 and 479,904 is: 763,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,486.50 : 479,904 = 479,904 : x
  2. Step 2: Convert to fraction form
    301,486.50/479,904 = 479,904/x
  3. Step 3: Cross multiply
    301,486.50x = 479,904 × 479,904
  4. Step 4: Simplify right side
    301,486.50x = 230,307,849,216
  5. Step 5: Solve for x
    x = 230,307,849,216/301,486.50
  6. Step 6: Final answer
    x = 763,907.67

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.