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Finding the Third Proportional to 550,465.50 and 775,185

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Solution

The third proportional to 550,465.50 and 775,185 is: 1,091,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,465.50 : 775,185 = 775,185 : x
  2. Step 2: Convert to fraction form
    550,465.50/775,185 = 775,185/x
  3. Step 3: Cross multiply
    550,465.50x = 775,185 × 775,185
  4. Step 4: Simplify right side
    550,465.50x = 600,911,784,225
  5. Step 5: Solve for x
    x = 600,911,784,225/550,465.50
  6. Step 6: Final answer
    x = 1,091,642.95

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.