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Finding the Third Proportional to 129,270,550 and 276,457,003

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Solution

The third proportional to 129,270,550 and 276,457,003 is: 591,228,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,270,550 : 276,457,003 = 276,457,003 : x
  2. Step 2: Convert to fraction form
    129,270,550/276,457,003 = 276,457,003/x
  3. Step 3: Cross multiply
    129,270,550x = 276,457,003 × 276,457,003
  4. Step 4: Simplify right side
    129,270,550x = 76,428,474,507,742,016
  5. Step 5: Solve for x
    x = 76,428,474,507,742,016/129,270,550
  6. Step 6: Final answer
    x = 591,228,818.22

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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.