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Finding the Third Proportional to 127,153 and 155,584

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Solution

The third proportional to 127,153 and 155,584 is: 190,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,153 : 155,584 = 155,584 : x
  2. Step 2: Convert to fraction form
    127,153/155,584 = 155,584/x
  3. Step 3: Cross multiply
    127,153x = 155,584 × 155,584
  4. Step 4: Simplify right side
    127,153x = 24,206,381,056
  5. Step 5: Solve for x
    x = 24,206,381,056/127,153
  6. Step 6: Final answer
    x = 190,372.08

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.