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Finding the Third Proportional to 169,048.50 and 261,621

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Solution

The third proportional to 169,048.50 and 261,621 is: 404,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,048.50 : 261,621 = 261,621 : x
  2. Step 2: Convert to fraction form
    169,048.50/261,621 = 261,621/x
  3. Step 3: Cross multiply
    169,048.50x = 261,621 × 261,621
  4. Step 4: Simplify right side
    169,048.50x = 68,445,547,641
  5. Step 5: Solve for x
    x = 68,445,547,641/169,048.50
  6. Step 6: Final answer
    x = 404,887.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.