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Finding the Third Proportional to 124,345.13 and 197,194.50

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Solution

The third proportional to 124,345.13 and 197,194.50 is: 312,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,345.13 : 197,194.50 = 197,194.50 : x
  2. Step 2: Convert to fraction form
    124,345.13/197,194.50 = 197,194.50/x
  3. Step 3: Cross multiply
    124,345.13x = 197,194.50 × 197,194.50
  4. Step 4: Simplify right side
    124,345.13x = 38,885,670,830.25
  5. Step 5: Solve for x
    x = 38,885,670,830.25/124,345.13
  6. Step 6: Final answer
    x = 312,723.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.