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Finding the Third Proportional to 111,904,438.78 and 240,814,989.56

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Solution

The third proportional to 111,904,438.78 and 240,814,989.56 is: 518,226,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,904,438.78 : 240,814,989.56 = 240,814,989.56 : x
  2. Step 2: Convert to fraction form
    111,904,438.78/240,814,989.56 = 240,814,989.56/x
  3. Step 3: Cross multiply
    111,904,438.78x = 240,814,989.56 × 240,814,989.56
  4. Step 4: Simplify right side
    111,904,438.78x = 57,991,859,197,986,984
  5. Step 5: Solve for x
    x = 57,991,859,197,986,984/111,904,438.78
  6. Step 6: Final answer
    x = 518,226,621.12

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.