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Finding the Third Proportional to 868,932 and 1,817,313

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Solution

The third proportional to 868,932 and 1,817,313 is: 3,800,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,932 : 1,817,313 = 1,817,313 : x
  2. Step 2: Convert to fraction form
    868,932/1,817,313 = 1,817,313/x
  3. Step 3: Cross multiply
    868,932x = 1,817,313 × 1,817,313
  4. Step 4: Simplify right side
    868,932x = 3,302,626,539,969
  5. Step 5: Solve for x
    x = 3,302,626,539,969/868,932
  6. Step 6: Final answer
    x = 3,800,788.25

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.