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Finding the Third Proportional to 357,468 and 744,338

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Solution

The third proportional to 357,468 and 744,338 is: 1,549,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,468 : 744,338 = 744,338 : x
  2. Step 2: Convert to fraction form
    357,468/744,338 = 744,338/x
  3. Step 3: Cross multiply
    357,468x = 744,338 × 744,338
  4. Step 4: Simplify right side
    357,468x = 554,039,058,244
  5. Step 5: Solve for x
    x = 554,039,058,244/357,468
  6. Step 6: Final answer
    x = 1,549,898.34

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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.