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Finding the Third Proportional to 183,669.75 and 278,276.63

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Solution

The third proportional to 183,669.75 and 278,276.63 is: 421,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,669.75 : 278,276.63 = 278,276.63 : x
  2. Step 2: Convert to fraction form
    183,669.75/278,276.63 = 278,276.63/x
  3. Step 3: Cross multiply
    183,669.75x = 278,276.63 × 278,276.63
  4. Step 4: Simplify right side
    183,669.75x = 77,437,880,021.39
  5. Step 5: Solve for x
    x = 77,437,880,021.39/183,669.75
  6. Step 6: Final answer
    x = 421,614.77

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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.