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Finding the Third Proportional to 190,390.50 and 418,150.13

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Solution

The third proportional to 190,390.50 and 418,150.13 is: 918,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,390.50 : 418,150.13 = 418,150.13 : x
  2. Step 2: Convert to fraction form
    190,390.50/418,150.13 = 418,150.13/x
  3. Step 3: Cross multiply
    190,390.50x = 418,150.13 × 418,150.13
  4. Step 4: Simplify right side
    190,390.50x = 174,849,527,037.52
  5. Step 5: Solve for x
    x = 174,849,527,037.52/190,390.50
  6. Step 6: Final answer
    x = 918,373.17

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.