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Finding the Third Proportional to 77,485.50 and 119,682.84

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Solution

The third proportional to 77,485.50 and 119,682.84 is: 184,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,485.50 : 119,682.84 = 119,682.84 : x
  2. Step 2: Convert to fraction form
    77,485.50/119,682.84 = 119,682.84/x
  3. Step 3: Cross multiply
    77,485.50x = 119,682.84 × 119,682.84
  4. Step 4: Simplify right side
    77,485.50x = 14,323,983,088.09
  5. Step 5: Solve for x
    x = 14,323,983,088.09/77,485.50
  6. Step 6: Final answer
    x = 184,860.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.