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Finding the Third Proportional to 431,482 and 938,716

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Solution

The third proportional to 431,482 and 938,716 is: 2,042,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,482 : 938,716 = 938,716 : x
  2. Step 2: Convert to fraction form
    431,482/938,716 = 938,716/x
  3. Step 3: Cross multiply
    431,482x = 938,716 × 938,716
  4. Step 4: Simplify right side
    431,482x = 881,187,728,656
  5. Step 5: Solve for x
    x = 881,187,728,656/431,482
  6. Step 6: Final answer
    x = 2,042,235.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.