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Finding the Third Proportional to 66,753 and 145,046

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Solution

The third proportional to 66,753 and 145,046 is: 315,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753 : 145,046 = 145,046 : x
  2. Step 2: Convert to fraction form
    66,753/145,046 = 145,046/x
  3. Step 3: Cross multiply
    66,753x = 145,046 × 145,046
  4. Step 4: Simplify right side
    66,753x = 21,038,342,116
  5. Step 5: Solve for x
    x = 21,038,342,116/66,753
  6. Step 6: Final answer
    x = 315,166.99

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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.