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Finding the Third Proportional to 500,668 and 775,740

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Solution

The third proportional to 500,668 and 775,740 is: 1,201,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,668 : 775,740 = 775,740 : x
  2. Step 2: Convert to fraction form
    500,668/775,740 = 775,740/x
  3. Step 3: Cross multiply
    500,668x = 775,740 × 775,740
  4. Step 4: Simplify right side
    500,668x = 601,772,547,600
  5. Step 5: Solve for x
    x = 601,772,547,600/500,668
  6. Step 6: Final answer
    x = 1,201,939.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.