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Finding the Third Proportional to 190,997,572 and 409,223,185

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Solution

The third proportional to 190,997,572 and 409,223,185 is: 876,783,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,997,572 : 409,223,185 = 409,223,185 : x
  2. Step 2: Convert to fraction form
    190,997,572/409,223,185 = 409,223,185/x
  3. Step 3: Cross multiply
    190,997,572x = 409,223,185 × 409,223,185
  4. Step 4: Simplify right side
    190,997,572x = 167,463,615,141,544,224
  5. Step 5: Solve for x
    x = 167,463,615,141,544,224/190,997,572
  6. Step 6: Final answer
    x = 876,783,999.86

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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.