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Finding the Third Proportional to 75,621 and 116,076

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Solution

The third proportional to 75,621 and 116,076 is: 178,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621 : 116,076 = 116,076 : x
  2. Step 2: Convert to fraction form
    75,621/116,076 = 116,076/x
  3. Step 3: Cross multiply
    75,621x = 116,076 × 116,076
  4. Step 4: Simplify right side
    75,621x = 13,473,637,776
  5. Step 5: Solve for x
    x = 13,473,637,776/75,621
  6. Step 6: Final answer
    x = 178,173.23

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.