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Finding the Third Proportional to 336,878.44 and 508,819.50

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Solution

The third proportional to 336,878.44 and 508,819.50 is: 768,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,878.44 : 508,819.50 = 508,819.50 : x
  2. Step 2: Convert to fraction form
    336,878.44/508,819.50 = 508,819.50/x
  3. Step 3: Cross multiply
    336,878.44x = 508,819.50 × 508,819.50
  4. Step 4: Simplify right side
    336,878.44x = 258,897,283,580.25
  5. Step 5: Solve for x
    x = 258,897,283,580.25/336,878.44
  6. Step 6: Final answer
    x = 768,518.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.