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Finding the Third Proportional to 127,152 and 186,785

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Solution

The third proportional to 127,152 and 186,785 is: 274,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,152 : 186,785 = 186,785 : x
  2. Step 2: Convert to fraction form
    127,152/186,785 = 186,785/x
  3. Step 3: Cross multiply
    127,152x = 186,785 × 186,785
  4. Step 4: Simplify right side
    127,152x = 34,888,636,225
  5. Step 5: Solve for x
    x = 34,888,636,225/127,152
  6. Step 6: Final answer
    x = 274,385.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.