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Finding the Third Proportional to 420,927.50 and 923,348

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Solution

The third proportional to 420,927.50 and 923,348 is: 2,025,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,927.50 : 923,348 = 923,348 : x
  2. Step 2: Convert to fraction form
    420,927.50/923,348 = 923,348/x
  3. Step 3: Cross multiply
    420,927.50x = 923,348 × 923,348
  4. Step 4: Simplify right side
    420,927.50x = 852,571,529,104
  5. Step 5: Solve for x
    x = 852,571,529,104/420,927.50
  6. Step 6: Final answer
    x = 2,025,459.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.