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Finding the Third Proportional to 103,402 and 165,901

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Solution

The third proportional to 103,402 and 165,901 is: 266,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,402 : 165,901 = 165,901 : x
  2. Step 2: Convert to fraction form
    103,402/165,901 = 165,901/x
  3. Step 3: Cross multiply
    103,402x = 165,901 × 165,901
  4. Step 4: Simplify right side
    103,402x = 27,523,141,801
  5. Step 5: Solve for x
    x = 27,523,141,801/103,402
  6. Step 6: Final answer
    x = 266,176.11

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.