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Finding the Third Proportional to 38,310 and 58,871

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Solution

The third proportional to 38,310 and 58,871 is: 90,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310 : 58,871 = 58,871 : x
  2. Step 2: Convert to fraction form
    38,310/58,871 = 58,871/x
  3. Step 3: Cross multiply
    38,310x = 58,871 × 58,871
  4. Step 4: Simplify right side
    38,310x = 3,465,794,641
  5. Step 5: Solve for x
    x = 3,465,794,641/38,310
  6. Step 6: Final answer
    x = 90,467.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.