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Finding the Third Proportional to 724,862 and 1,537,420

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Solution

The third proportional to 724,862 and 1,537,420 is: 3,260,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,862 : 1,537,420 = 1,537,420 : x
  2. Step 2: Convert to fraction form
    724,862/1,537,420 = 1,537,420/x
  3. Step 3: Cross multiply
    724,862x = 1,537,420 × 1,537,420
  4. Step 4: Simplify right side
    724,862x = 2,363,660,256,400
  5. Step 5: Solve for x
    x = 2,363,660,256,400/724,862
  6. Step 6: Final answer
    x = 3,260,841.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.