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Finding the Third Proportional to 343,564.50 and 519,112.50

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Solution

The third proportional to 343,564.50 and 519,112.50 is: 784,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,564.50 : 519,112.50 = 519,112.50 : x
  2. Step 2: Convert to fraction form
    343,564.50/519,112.50 = 519,112.50/x
  3. Step 3: Cross multiply
    343,564.50x = 519,112.50 × 519,112.50
  4. Step 4: Simplify right side
    343,564.50x = 269,477,787,656.25
  5. Step 5: Solve for x
    x = 269,477,787,656.25/343,564.50
  6. Step 6: Final answer
    x = 784,358.65

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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.