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Finding the Third Proportional to 180,898 and 265,928

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Solution

The third proportional to 180,898 and 265,928 is: 390,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,898 : 265,928 = 265,928 : x
  2. Step 2: Convert to fraction form
    180,898/265,928 = 265,928/x
  3. Step 3: Cross multiply
    180,898x = 265,928 × 265,928
  4. Step 4: Simplify right side
    180,898x = 70,717,701,184
  5. Step 5: Solve for x
    x = 70,717,701,184/180,898
  6. Step 6: Final answer
    x = 390,925.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.