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Finding the Third Proportional to 340,800.75 and 529,164

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Solution

The third proportional to 340,800.75 and 529,164 is: 821,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,800.75 : 529,164 = 529,164 : x
  2. Step 2: Convert to fraction form
    340,800.75/529,164 = 529,164/x
  3. Step 3: Cross multiply
    340,800.75x = 529,164 × 529,164
  4. Step 4: Simplify right side
    340,800.75x = 280,014,538,896
  5. Step 5: Solve for x
    x = 280,014,538,896/340,800.75
  6. Step 6: Final answer
    x = 821,637.10

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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.