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Finding the Third Proportional to 55,036,990.50 and 119,758,840.50

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Solution

The third proportional to 55,036,990.50 and 119,758,840.50 is: 260,591,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036,990.50 : 119,758,840.50 = 119,758,840.50 : x
  2. Step 2: Convert to fraction form
    55,036,990.50/119,758,840.50 = 119,758,840.50/x
  3. Step 3: Cross multiply
    55,036,990.50x = 119,758,840.50 × 119,758,840.50
  4. Step 4: Simplify right side
    55,036,990.50x = 14,342,179,877,904,440
  5. Step 5: Solve for x
    x = 14,342,179,877,904,440/55,036,990.50
  6. Step 6: Final answer
    x = 260,591,644.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.