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Finding the Third Proportional to 305,672,790 and 671,395,658

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Solution

The third proportional to 305,672,790 and 671,395,658 is: 1,474,688,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,672,790 : 671,395,658 = 671,395,658 : x
  2. Step 2: Convert to fraction form
    305,672,790/671,395,658 = 671,395,658/x
  3. Step 3: Cross multiply
    305,672,790x = 671,395,658 × 671,395,658
  4. Step 4: Simplify right side
    305,672,790x = 450,772,129,581,252,992
  5. Step 5: Solve for x
    x = 450,772,129,581,252,992/305,672,790
  6. Step 6: Final answer
    x = 1,474,688,439.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.