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Finding the Third Proportional to 179,291.29 and 390,126.06

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Solution

The third proportional to 179,291.29 and 390,126.06 is: 848,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,291.29 : 390,126.06 = 390,126.06 : x
  2. Step 2: Convert to fraction form
    179,291.29/390,126.06 = 390,126.06/x
  3. Step 3: Cross multiply
    179,291.29x = 390,126.06 × 390,126.06
  4. Step 4: Simplify right side
    179,291.29x = 152,198,341,593.90
  5. Step 5: Solve for x
    x = 152,198,341,593.90/179,291.29
  6. Step 6: Final answer
    x = 848,888.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.