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Finding the Third Proportional to 143,927,691 and 210,493,599

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Solution

The third proportional to 143,927,691 and 210,493,599 is: 307,845,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927,691 : 210,493,599 = 210,493,599 : x
  2. Step 2: Convert to fraction form
    143,927,691/210,493,599 = 210,493,599/x
  3. Step 3: Cross multiply
    143,927,691x = 210,493,599 × 210,493,599
  4. Step 4: Simplify right side
    143,927,691x = 44,307,555,219,972,800
  5. Step 5: Solve for x
    x = 44,307,555,219,972,800/143,927,691
  6. Step 6: Final answer
    x = 307,845,939.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.