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Finding the Third Proportional to 488,785.50 and 736,303.50

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Solution

The third proportional to 488,785.50 and 736,303.50 is: 1,109,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,785.50 : 736,303.50 = 736,303.50 : x
  2. Step 2: Convert to fraction form
    488,785.50/736,303.50 = 736,303.50/x
  3. Step 3: Cross multiply
    488,785.50x = 736,303.50 × 736,303.50
  4. Step 4: Simplify right side
    488,785.50x = 542,142,844,112.25
  5. Step 5: Solve for x
    x = 542,142,844,112.25/488,785.50
  6. Step 6: Final answer
    x = 1,109,163.11

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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.