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Finding the Third Proportional to 885,666 and 1,242,765

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Solution

The third proportional to 885,666 and 1,242,765 is: 1,743,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,666 : 1,242,765 = 1,242,765 : x
  2. Step 2: Convert to fraction form
    885,666/1,242,765 = 1,242,765/x
  3. Step 3: Cross multiply
    885,666x = 1,242,765 × 1,242,765
  4. Step 4: Simplify right side
    885,666x = 1,544,464,845,225
  5. Step 5: Solve for x
    x = 1,544,464,845,225/885,666
  6. Step 6: Final answer
    x = 1,743,845.70

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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.