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Finding the Third Proportional to 66,560 and 144,194

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Solution

The third proportional to 66,560 and 144,194 is: 312,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,560 : 144,194 = 144,194 : x
  2. Step 2: Convert to fraction form
    66,560/144,194 = 144,194/x
  3. Step 3: Cross multiply
    66,560x = 144,194 × 144,194
  4. Step 4: Simplify right side
    66,560x = 20,791,909,636
  5. Step 5: Solve for x
    x = 20,791,909,636/66,560
  6. Step 6: Final answer
    x = 312,378.45

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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.