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Finding the Third Proportional to 199,585 and 236,490

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Solution

The third proportional to 199,585 and 236,490 is: 280,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,585 : 236,490 = 236,490 : x
  2. Step 2: Convert to fraction form
    199,585/236,490 = 236,490/x
  3. Step 3: Cross multiply
    199,585x = 236,490 × 236,490
  4. Step 4: Simplify right side
    199,585x = 55,927,520,100
  5. Step 5: Solve for x
    x = 55,927,520,100/199,585
  6. Step 6: Final answer
    x = 280,219.06

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.