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Finding the Third Proportional to 296,370 and 648,954

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Solution

The third proportional to 296,370 and 648,954 is: 1,420,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,370 : 648,954 = 648,954 : x
  2. Step 2: Convert to fraction form
    296,370/648,954 = 648,954/x
  3. Step 3: Cross multiply
    296,370x = 648,954 × 648,954
  4. Step 4: Simplify right side
    296,370x = 421,141,294,116
  5. Step 5: Solve for x
    x = 421,141,294,116/296,370
  6. Step 6: Final answer
    x = 1,420,998.39

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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.