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Finding the Third Proportional to 641,190 and 1,000,604

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Solution

The third proportional to 641,190 and 1,000,604 is: 1,561,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,190 : 1,000,604 = 1,000,604 : x
  2. Step 2: Convert to fraction form
    641,190/1,000,604 = 1,000,604/x
  3. Step 3: Cross multiply
    641,190x = 1,000,604 × 1,000,604
  4. Step 4: Simplify right side
    641,190x = 1,001,208,364,816
  5. Step 5: Solve for x
    x = 1,001,208,364,816/641,190
  6. Step 6: Final answer
    x = 1,561,484.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.