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Finding the Third Proportional to 338,598 and 705,220.50

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Solution

The third proportional to 338,598 and 705,220.50 is: 1,468,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,598 : 705,220.50 = 705,220.50 : x
  2. Step 2: Convert to fraction form
    338,598/705,220.50 = 705,220.50/x
  3. Step 3: Cross multiply
    338,598x = 705,220.50 × 705,220.50
  4. Step 4: Simplify right side
    338,598x = 497,335,953,620.25
  5. Step 5: Solve for x
    x = 497,335,953,620.25/338,598
  6. Step 6: Final answer
    x = 1,468,809.48

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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.