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Finding the Third Proportional to 46,777.50 and 72,011

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Solution

The third proportional to 46,777.50 and 72,011 is: 110,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,777.50 : 72,011 = 72,011 : x
  2. Step 2: Convert to fraction form
    46,777.50/72,011 = 72,011/x
  3. Step 3: Cross multiply
    46,777.50x = 72,011 × 72,011
  4. Step 4: Simplify right side
    46,777.50x = 5,185,584,121
  5. Step 5: Solve for x
    x = 5,185,584,121/46,777.50
  6. Step 6: Final answer
    x = 110,856.38

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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.