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Finding the Third Proportional to 77,865.50 and 119,368.50

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Solution

The third proportional to 77,865.50 and 119,368.50 is: 182,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,865.50 : 119,368.50 = 119,368.50 : x
  2. Step 2: Convert to fraction form
    77,865.50/119,368.50 = 119,368.50/x
  3. Step 3: Cross multiply
    77,865.50x = 119,368.50 × 119,368.50
  4. Step 4: Simplify right side
    77,865.50x = 14,248,838,792.25
  5. Step 5: Solve for x
    x = 14,248,838,792.25/77,865.50
  6. Step 6: Final answer
    x = 182,992.97

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.