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Finding the Third Proportional to 619,522 and 911,137

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Solution

The third proportional to 619,522 and 911,137 is: 1,340,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,522 : 911,137 = 911,137 : x
  2. Step 2: Convert to fraction form
    619,522/911,137 = 911,137/x
  3. Step 3: Cross multiply
    619,522x = 911,137 × 911,137
  4. Step 4: Simplify right side
    619,522x = 830,170,632,769
  5. Step 5: Solve for x
    x = 830,170,632,769/619,522
  6. Step 6: Final answer
    x = 1,340,018.00

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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.