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Finding the Third Proportional to 185,722,140 and 279,051,210

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Solution

The third proportional to 185,722,140 and 279,051,210 is: 419,279,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,722,140 : 279,051,210 = 279,051,210 : x
  2. Step 2: Convert to fraction form
    185,722,140/279,051,210 = 279,051,210/x
  3. Step 3: Cross multiply
    185,722,140x = 279,051,210 × 279,051,210
  4. Step 4: Simplify right side
    185,722,140x = 77,869,577,802,464,096
  5. Step 5: Solve for x
    x = 77,869,577,802,464,096/185,722,140
  6. Step 6: Final answer
    x = 419,279,994.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.