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Finding the Third Proportional to 240,483 and 380,778

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Solution

The third proportional to 240,483 and 380,778 is: 602,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,483 : 380,778 = 380,778 : x
  2. Step 2: Convert to fraction form
    240,483/380,778 = 380,778/x
  3. Step 3: Cross multiply
    240,483x = 380,778 × 380,778
  4. Step 4: Simplify right side
    240,483x = 144,991,885,284
  5. Step 5: Solve for x
    x = 144,991,885,284/240,483
  6. Step 6: Final answer
    x = 602,919.48

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.