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Finding the Third Proportional to 84,891,191 and 181,885,240

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Solution

The third proportional to 84,891,191 and 181,885,240 is: 389,701,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891,191 : 181,885,240 = 181,885,240 : x
  2. Step 2: Convert to fraction form
    84,891,191/181,885,240 = 181,885,240/x
  3. Step 3: Cross multiply
    84,891,191x = 181,885,240 × 181,885,240
  4. Step 4: Simplify right side
    84,891,191x = 33,082,240,529,857,600
  5. Step 5: Solve for x
    x = 33,082,240,529,857,600/84,891,191
  6. Step 6: Final answer
    x = 389,701,689.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.