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Finding the Third Proportional to 78,835 and 119,072

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Solution

The third proportional to 78,835 and 119,072 is: 179,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,835 : 119,072 = 119,072 : x
  2. Step 2: Convert to fraction form
    78,835/119,072 = 119,072/x
  3. Step 3: Cross multiply
    78,835x = 119,072 × 119,072
  4. Step 4: Simplify right side
    78,835x = 14,178,141,184
  5. Step 5: Solve for x
    x = 14,178,141,184/78,835
  6. Step 6: Final answer
    x = 179,845.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.