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Finding the Third Proportional to 34,572 and 54,971

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Solution

The third proportional to 34,572 and 54,971 is: 87,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,572 : 54,971 = 54,971 : x
  2. Step 2: Convert to fraction form
    34,572/54,971 = 54,971/x
  3. Step 3: Cross multiply
    34,572x = 54,971 × 54,971
  4. Step 4: Simplify right side
    34,572x = 3,021,810,841
  5. Step 5: Solve for x
    x = 3,021,810,841/34,572
  6. Step 6: Final answer
    x = 87,406.31

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.