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Finding the Third Proportional to 433,191 and 649,786

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Solution

The third proportional to 433,191 and 649,786 is: 974,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,191 : 649,786 = 649,786 : x
  2. Step 2: Convert to fraction form
    433,191/649,786 = 649,786/x
  3. Step 3: Cross multiply
    433,191x = 649,786 × 649,786
  4. Step 4: Simplify right side
    433,191x = 422,221,845,796
  5. Step 5: Solve for x
    x = 422,221,845,796/433,191
  6. Step 6: Final answer
    x = 974,678.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.