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Finding the Third Proportional to 855,387 and 1,195,887

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Solution

The third proportional to 855,387 and 1,195,887 is: 1,671,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,387 : 1,195,887 = 1,195,887 : x
  2. Step 2: Convert to fraction form
    855,387/1,195,887 = 1,195,887/x
  3. Step 3: Cross multiply
    855,387x = 1,195,887 × 1,195,887
  4. Step 4: Simplify right side
    855,387x = 1,430,145,716,769
  5. Step 5: Solve for x
    x = 1,430,145,716,769/855,387
  6. Step 6: Final answer
    x = 1,671,928.28

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.