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Finding the Third Proportional to 169,412 and 360,736

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Solution

The third proportional to 169,412 and 360,736 is: 768,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,412 : 360,736 = 360,736 : x
  2. Step 2: Convert to fraction form
    169,412/360,736 = 360,736/x
  3. Step 3: Cross multiply
    169,412x = 360,736 × 360,736
  4. Step 4: Simplify right side
    169,412x = 130,130,461,696
  5. Step 5: Solve for x
    x = 130,130,461,696/169,412
  6. Step 6: Final answer
    x = 768,130.13

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.