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Finding the Third Proportional to 99,536,989.22 and 154,546,083.84

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Solution

The third proportional to 99,536,989.22 and 154,546,083.84 is: 239,955,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,536,989.22 : 154,546,083.84 = 154,546,083.84 : x
  2. Step 2: Convert to fraction form
    99,536,989.22/154,546,083.84 = 154,546,083.84/x
  3. Step 3: Cross multiply
    99,536,989.22x = 154,546,083.84 × 154,546,083.84
  4. Step 4: Simplify right side
    99,536,989.22x = 23,884,492,031,439,404
  5. Step 5: Solve for x
    x = 23,884,492,031,439,404/99,536,989.22
  6. Step 6: Final answer
    x = 239,955,942.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.