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Finding the Third Proportional to 66,922 and 97,871

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Solution

The third proportional to 66,922 and 97,871 is: 143,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922 : 97,871 = 97,871 : x
  2. Step 2: Convert to fraction form
    66,922/97,871 = 97,871/x
  3. Step 3: Cross multiply
    66,922x = 97,871 × 97,871
  4. Step 4: Simplify right side
    66,922x = 9,578,732,641
  5. Step 5: Solve for x
    x = 9,578,732,641/66,922
  6. Step 6: Final answer
    x = 143,132.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.