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Finding the Third Proportional to 724,638 and 1,573,938

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Solution

The third proportional to 724,638 and 1,573,938 is: 3,418,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,638 : 1,573,938 = 1,573,938 : x
  2. Step 2: Convert to fraction form
    724,638/1,573,938 = 1,573,938/x
  3. Step 3: Cross multiply
    724,638x = 1,573,938 × 1,573,938
  4. Step 4: Simplify right side
    724,638x = 2,477,280,827,844
  5. Step 5: Solve for x
    x = 2,477,280,827,844/724,638
  6. Step 6: Final answer
    x = 3,418,646.04

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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.