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Finding the Third Proportional to 190,712 and 266,754

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Solution

The third proportional to 190,712 and 266,754 is: 373,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,712 : 266,754 = 266,754 : x
  2. Step 2: Convert to fraction form
    190,712/266,754 = 266,754/x
  3. Step 3: Cross multiply
    190,712x = 266,754 × 266,754
  4. Step 4: Simplify right side
    190,712x = 71,157,696,516
  5. Step 5: Solve for x
    x = 71,157,696,516/190,712
  6. Step 6: Final answer
    x = 373,115.99

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.