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Finding the Third Proportional to 145,560 and 220,968

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Solution

The third proportional to 145,560 and 220,968 is: 335,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,560 : 220,968 = 220,968 : x
  2. Step 2: Convert to fraction form
    145,560/220,968 = 220,968/x
  3. Step 3: Cross multiply
    145,560x = 220,968 × 220,968
  4. Step 4: Simplify right side
    145,560x = 48,826,857,024
  5. Step 5: Solve for x
    x = 48,826,857,024/145,560
  6. Step 6: Final answer
    x = 335,441.45

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.