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Finding the Third Proportional to 190,113.75 and 356,275.13

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Solution

The third proportional to 190,113.75 and 356,275.13 is: 667,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,113.75 : 356,275.13 = 356,275.13 : x
  2. Step 2: Convert to fraction form
    190,113.75/356,275.13 = 356,275.13/x
  3. Step 3: Cross multiply
    190,113.75x = 356,275.13 × 356,275.13
  4. Step 4: Simplify right side
    190,113.75x = 126,931,964,693.77
  5. Step 5: Solve for x
    x = 126,931,964,693.77/190,113.75
  6. Step 6: Final answer
    x = 667,663.25

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These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.