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Finding the Third Proportional to 69,210.75 and 106,877.63

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Solution

The third proportional to 69,210.75 and 106,877.63 is: 165,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210.75 : 106,877.63 = 106,877.63 : x
  2. Step 2: Convert to fraction form
    69,210.75/106,877.63 = 106,877.63/x
  3. Step 3: Cross multiply
    69,210.75x = 106,877.63 × 106,877.63
  4. Step 4: Simplify right side
    69,210.75x = 11,422,826,725.64
  5. Step 5: Solve for x
    x = 11,422,826,725.64/69,210.75
  6. Step 6: Final answer
    x = 165,044.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.