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Finding the Third Proportional to 869,760 and 1,316,670.75

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Solution

The third proportional to 869,760 and 1,316,670.75 is: 1,993,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,760 : 1,316,670.75 = 1,316,670.75 : x
  2. Step 2: Convert to fraction form
    869,760/1,316,670.75 = 1,316,670.75/x
  3. Step 3: Cross multiply
    869,760x = 1,316,670.75 × 1,316,670.75
  4. Step 4: Simplify right side
    869,760x = 1,733,621,863,905.56
  5. Step 5: Solve for x
    x = 1,733,621,863,905.56/869,760
  6. Step 6: Final answer
    x = 1,993,218.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.