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Finding the Third Proportional to 424,190 and 914,798

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Solution

The third proportional to 424,190 and 914,798 is: 1,972,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,190 : 914,798 = 914,798 : x
  2. Step 2: Convert to fraction form
    424,190/914,798 = 914,798/x
  3. Step 3: Cross multiply
    424,190x = 914,798 × 914,798
  4. Step 4: Simplify right side
    424,190x = 836,855,380,804
  5. Step 5: Solve for x
    x = 836,855,380,804/424,190
  6. Step 6: Final answer
    x = 1,972,831.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.