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Finding the Third Proportional to 56,349 and 121,444.50

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Solution

The third proportional to 56,349 and 121,444.50 is: 261,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,349 : 121,444.50 = 121,444.50 : x
  2. Step 2: Convert to fraction form
    56,349/121,444.50 = 121,444.50/x
  3. Step 3: Cross multiply
    56,349x = 121,444.50 × 121,444.50
  4. Step 4: Simplify right side
    56,349x = 14,748,766,580.25
  5. Step 5: Solve for x
    x = 14,748,766,580.25/56,349
  6. Step 6: Final answer
    x = 261,739.63

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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.