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Finding the Third Proportional to 120,735 and 191,136.38

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Solution

The third proportional to 120,735 and 191,136.38 is: 302,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,735 : 191,136.38 = 191,136.38 : x
  2. Step 2: Convert to fraction form
    120,735/191,136.38 = 191,136.38/x
  3. Step 3: Cross multiply
    120,735x = 191,136.38 × 191,136.38
  4. Step 4: Simplify right side
    120,735x = 36,533,113,848.14
  5. Step 5: Solve for x
    x = 36,533,113,848.14/120,735
  6. Step 6: Final answer
    x = 302,589.26

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.