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Finding the Third Proportional to 69,117.05 and 104,310.28

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Solution

The third proportional to 69,117.05 and 104,310.28 is: 157,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,117.05 : 104,310.28 = 104,310.28 : x
  2. Step 2: Convert to fraction form
    69,117.05/104,310.28 = 104,310.28/x
  3. Step 3: Cross multiply
    69,117.05x = 104,310.28 × 104,310.28
  4. Step 4: Simplify right side
    69,117.05x = 10,880,634,774.45
  5. Step 5: Solve for x
    x = 10,880,634,774.45/69,117.05
  6. Step 6: Final answer
    x = 157,423.32

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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.