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Finding the Third Proportional to 845,214 and 1,879,398

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Solution

The third proportional to 845,214 and 1,879,398 is: 4,178,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,214 : 1,879,398 = 1,879,398 : x
  2. Step 2: Convert to fraction form
    845,214/1,879,398 = 1,879,398/x
  3. Step 3: Cross multiply
    845,214x = 1,879,398 × 1,879,398
  4. Step 4: Simplify right side
    845,214x = 3,532,136,842,404
  5. Step 5: Solve for x
    x = 3,532,136,842,404/845,214
  6. Step 6: Final answer
    x = 4,178,985.25

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.