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Finding the Third Proportional to 18,297,811.50 and 26,835,451.50

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Solution

The third proportional to 18,297,811.50 and 26,835,451.50 is: 39,356,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297,811.50 : 26,835,451.50 = 26,835,451.50 : x
  2. Step 2: Convert to fraction form
    18,297,811.50/26,835,451.50 = 26,835,451.50/x
  3. Step 3: Cross multiply
    18,297,811.50x = 26,835,451.50 × 26,835,451.50
  4. Step 4: Simplify right side
    18,297,811.50x = 720,141,457,208,852.25
  5. Step 5: Solve for x
    x = 720,141,457,208,852.25/18,297,811.50
  6. Step 6: Final answer
    x = 39,356,698.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.