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Finding the Third Proportional to 145,494 and 216,054

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Solution

The third proportional to 145,494 and 216,054 is: 320,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,494 : 216,054 = 216,054 : x
  2. Step 2: Convert to fraction form
    145,494/216,054 = 216,054/x
  3. Step 3: Cross multiply
    145,494x = 216,054 × 216,054
  4. Step 4: Simplify right side
    145,494x = 46,679,330,916
  5. Step 5: Solve for x
    x = 46,679,330,916/145,494
  6. Step 6: Final answer
    x = 320,833.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.