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Finding the Third Proportional to 395,388 and 847,983

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Solution

The third proportional to 395,388 and 847,983 is: 1,818,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,388 : 847,983 = 847,983 : x
  2. Step 2: Convert to fraction form
    395,388/847,983 = 847,983/x
  3. Step 3: Cross multiply
    395,388x = 847,983 × 847,983
  4. Step 4: Simplify right side
    395,388x = 719,075,168,289
  5. Step 5: Solve for x
    x = 719,075,168,289/395,388
  6. Step 6: Final answer
    x = 1,818,657.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.