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Finding the Third Proportional to 348,342.75 and 538,366.50

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Solution

The third proportional to 348,342.75 and 538,366.50 is: 832,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,342.75 : 538,366.50 = 538,366.50 : x
  2. Step 2: Convert to fraction form
    348,342.75/538,366.50 = 538,366.50/x
  3. Step 3: Cross multiply
    348,342.75x = 538,366.50 × 538,366.50
  4. Step 4: Simplify right side
    348,342.75x = 289,838,488,322.25
  5. Step 5: Solve for x
    x = 289,838,488,322.25/348,342.75
  6. Step 6: Final answer
    x = 832,049.72

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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.