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Finding the Third Proportional to 542,373 and 1,129,636

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Solution

The third proportional to 542,373 and 1,129,636 is: 2,352,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,373 : 1,129,636 = 1,129,636 : x
  2. Step 2: Convert to fraction form
    542,373/1,129,636 = 1,129,636/x
  3. Step 3: Cross multiply
    542,373x = 1,129,636 × 1,129,636
  4. Step 4: Simplify right side
    542,373x = 1,276,077,492,496
  5. Step 5: Solve for x
    x = 1,276,077,492,496/542,373
  6. Step 6: Final answer
    x = 2,352,767.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.