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Finding the Third Proportional to 768,480 and 1,669,852

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Solution

The third proportional to 768,480 and 1,669,852 is: 3,628,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,480 : 1,669,852 = 1,669,852 : x
  2. Step 2: Convert to fraction form
    768,480/1,669,852 = 1,669,852/x
  3. Step 3: Cross multiply
    768,480x = 1,669,852 × 1,669,852
  4. Step 4: Simplify right side
    768,480x = 2,788,405,701,904
  5. Step 5: Solve for x
    x = 2,788,405,701,904/768,480
  6. Step 6: Final answer
    x = 3,628,468.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.