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Finding the Third Proportional to 30,300 and 65,852

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Solution

The third proportional to 30,300 and 65,852 is: 143,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300 : 65,852 = 65,852 : x
  2. Step 2: Convert to fraction form
    30,300/65,852 = 65,852/x
  3. Step 3: Cross multiply
    30,300x = 65,852 × 65,852
  4. Step 4: Simplify right side
    30,300x = 4,336,485,904
  5. Step 5: Solve for x
    x = 4,336,485,904/30,300
  6. Step 6: Final answer
    x = 143,118.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.