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Finding the Third Proportional to 181,071,053 and 287,189,903

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Solution

The third proportional to 181,071,053 and 287,189,903 is: 455,500,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,071,053 : 287,189,903 = 287,189,903 : x
  2. Step 2: Convert to fraction form
    181,071,053/287,189,903 = 287,189,903/x
  3. Step 3: Cross multiply
    181,071,053x = 287,189,903 × 287,189,903
  4. Step 4: Simplify right side
    181,071,053x = 82,478,040,385,149,408
  5. Step 5: Solve for x
    x = 82,478,040,385,149,408/181,071,053
  6. Step 6: Final answer
    x = 455,500,970.58

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.