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Finding the Third Proportional to 52,871 and 70,485

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Solution

The third proportional to 52,871 and 70,485 is: 93,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871 : 70,485 = 70,485 : x
  2. Step 2: Convert to fraction form
    52,871/70,485 = 70,485/x
  3. Step 3: Cross multiply
    52,871x = 70,485 × 70,485
  4. Step 4: Simplify right side
    52,871x = 4,968,135,225
  5. Step 5: Solve for x
    x = 4,968,135,225/52,871
  6. Step 6: Final answer
    x = 93,967.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.