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Finding the Third Proportional to 829,972 and 1,810,712

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Solution

The third proportional to 829,972 and 1,810,712 is: 3,950,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,972 : 1,810,712 = 1,810,712 : x
  2. Step 2: Convert to fraction form
    829,972/1,810,712 = 1,810,712/x
  3. Step 3: Cross multiply
    829,972x = 1,810,712 × 1,810,712
  4. Step 4: Simplify right side
    829,972x = 3,278,677,946,944
  5. Step 5: Solve for x
    x = 3,278,677,946,944/829,972
  6. Step 6: Final answer
    x = 3,950,347.66

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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.