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Finding the Third Proportional to 885,708 and 1,375,218

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Solution

The third proportional to 885,708 and 1,375,218 is: 2,135,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,708 : 1,375,218 = 1,375,218 : x
  2. Step 2: Convert to fraction form
    885,708/1,375,218 = 1,375,218/x
  3. Step 3: Cross multiply
    885,708x = 1,375,218 × 1,375,218
  4. Step 4: Simplify right side
    885,708x = 1,891,224,547,524
  5. Step 5: Solve for x
    x = 1,891,224,547,524/885,708
  6. Step 6: Final answer
    x = 2,135,268.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.