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Finding the Third Proportional to 885,710 and 1,375,221

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Solution

The third proportional to 885,710 and 1,375,221 is: 2,135,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,710 : 1,375,221 = 1,375,221 : x
  2. Step 2: Convert to fraction form
    885,710/1,375,221 = 1,375,221/x
  3. Step 3: Cross multiply
    885,710x = 1,375,221 × 1,375,221
  4. Step 4: Simplify right side
    885,710x = 1,891,232,798,841
  5. Step 5: Solve for x
    x = 1,891,232,798,841/885,710
  6. Step 6: Final answer
    x = 2,135,273.17

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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.