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Finding the Third Proportional to 38,964 and 58,430

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Solution

The third proportional to 38,964 and 58,430 is: 87,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964 : 58,430 = 58,430 : x
  2. Step 2: Convert to fraction form
    38,964/58,430 = 58,430/x
  3. Step 3: Cross multiply
    38,964x = 58,430 × 58,430
  4. Step 4: Simplify right side
    38,964x = 3,414,064,900
  5. Step 5: Solve for x
    x = 3,414,064,900/38,964
  6. Step 6: Final answer
    x = 87,621.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.