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Finding the Third Proportional to 211,686.75 and 456,610.50

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Solution

The third proportional to 211,686.75 and 456,610.50 is: 984,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,686.75 : 456,610.50 = 456,610.50 : x
  2. Step 2: Convert to fraction form
    211,686.75/456,610.50 = 456,610.50/x
  3. Step 3: Cross multiply
    211,686.75x = 456,610.50 × 456,610.50
  4. Step 4: Simplify right side
    211,686.75x = 208,493,148,710.25
  5. Step 5: Solve for x
    x = 208,493,148,710.25/211,686.75
  6. Step 6: Final answer
    x = 984,913.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.