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Finding the Third Proportional to 770,266.13 and 1,662,321.38

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Solution

The third proportional to 770,266.13 and 1,662,321.38 is: 3,587,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,266.13 : 1,662,321.38 = 1,662,321.38 : x
  2. Step 2: Convert to fraction form
    770,266.13/1,662,321.38 = 1,662,321.38/x
  3. Step 3: Cross multiply
    770,266.13x = 1,662,321.38 × 1,662,321.38
  4. Step 4: Simplify right side
    770,266.13x = 2,763,312,353,781.89
  5. Step 5: Solve for x
    x = 2,763,312,353,781.89/770,266.13
  6. Step 6: Final answer
    x = 3,587,477.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.