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Finding the Third Proportional to 103,642 and 160,043

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Solution

The third proportional to 103,642 and 160,043 is: 247,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,642 : 160,043 = 160,043 : x
  2. Step 2: Convert to fraction form
    103,642/160,043 = 160,043/x
  3. Step 3: Cross multiply
    103,642x = 160,043 × 160,043
  4. Step 4: Simplify right side
    103,642x = 25,613,761,849
  5. Step 5: Solve for x
    x = 25,613,761,849/103,642
  6. Step 6: Final answer
    x = 247,136.89

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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.