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Finding the Third Proportional to 190,716,453 and 411,916,770

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Solution

The third proportional to 190,716,453 and 411,916,770 is: 889,673,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,716,453 : 411,916,770 = 411,916,770 : x
  2. Step 2: Convert to fraction form
    190,716,453/411,916,770 = 411,916,770/x
  3. Step 3: Cross multiply
    190,716,453x = 411,916,770 × 411,916,770
  4. Step 4: Simplify right side
    190,716,453x = 169,675,425,407,232,896
  5. Step 5: Solve for x
    x = 169,675,425,407,232,896/190,716,453
  6. Step 6: Final answer
    x = 889,673,768.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.