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Finding the Third Proportional to 700,635 and 998,455.50

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Solution

The third proportional to 700,635 and 998,455.50 is: 1,422,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,635 : 998,455.50 = 998,455.50 : x
  2. Step 2: Convert to fraction form
    700,635/998,455.50 = 998,455.50/x
  3. Step 3: Cross multiply
    700,635x = 998,455.50 × 998,455.50
  4. Step 4: Simplify right side
    700,635x = 996,913,385,480.25
  5. Step 5: Solve for x
    x = 996,913,385,480.25/700,635
  6. Step 6: Final answer
    x = 1,422,871.23

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.