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Finding the Third Proportional to 424,248 and 914,912

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Solution

The third proportional to 424,248 and 914,912 is: 1,973,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,248 : 914,912 = 914,912 : x
  2. Step 2: Convert to fraction form
    424,248/914,912 = 914,912/x
  3. Step 3: Cross multiply
    424,248x = 914,912 × 914,912
  4. Step 4: Simplify right side
    424,248x = 837,063,967,744
  5. Step 5: Solve for x
    x = 837,063,967,744/424,248
  6. Step 6: Final answer
    x = 1,973,053.42

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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.