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Finding the Third Proportional to 809,445 and 1,187,922

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Solution

The third proportional to 809,445 and 1,187,922 is: 1,743,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,445 : 1,187,922 = 1,187,922 : x
  2. Step 2: Convert to fraction form
    809,445/1,187,922 = 1,187,922/x
  3. Step 3: Cross multiply
    809,445x = 1,187,922 × 1,187,922
  4. Step 4: Simplify right side
    809,445x = 1,411,158,678,084
  5. Step 5: Solve for x
    x = 1,411,158,678,084/809,445
  6. Step 6: Final answer
    x = 1,743,365.74

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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.