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Finding the Third Proportional to 190,387 and 413,598.50

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Solution

The third proportional to 190,387 and 413,598.50 is: 898,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,387 : 413,598.50 = 413,598.50 : x
  2. Step 2: Convert to fraction form
    190,387/413,598.50 = 413,598.50/x
  3. Step 3: Cross multiply
    190,387x = 413,598.50 × 413,598.50
  4. Step 4: Simplify right side
    190,387x = 171,063,719,202.25
  5. Step 5: Solve for x
    x = 171,063,719,202.25/190,387
  6. Step 6: Final answer
    x = 898,505.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.