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Finding the Third Proportional to 386,482 and 837,299

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Solution

The third proportional to 386,482 and 837,299 is: 1,813,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,482 : 837,299 = 837,299 : x
  2. Step 2: Convert to fraction form
    386,482/837,299 = 837,299/x
  3. Step 3: Cross multiply
    386,482x = 837,299 × 837,299
  4. Step 4: Simplify right side
    386,482x = 701,069,615,401
  5. Step 5: Solve for x
    x = 701,069,615,401/386,482
  6. Step 6: Final answer
    x = 1,813,977.40

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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.