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Finding the Third Proportional to 73,430 and 114,473

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Solution

The third proportional to 73,430 and 114,473 is: 178,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,430 : 114,473 = 114,473 : x
  2. Step 2: Convert to fraction form
    73,430/114,473 = 114,473/x
  3. Step 3: Cross multiply
    73,430x = 114,473 × 114,473
  4. Step 4: Simplify right side
    73,430x = 13,104,067,729
  5. Step 5: Solve for x
    x = 13,104,067,729/73,430
  6. Step 6: Final answer
    x = 178,456.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.