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Finding the Third Proportional to 181,353,718.69 and 393,497,796.94

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Solution

The third proportional to 181,353,718.69 and 393,497,796.94 is: 853,803,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,353,718.69 : 393,497,796.94 = 393,497,796.94 : x
  2. Step 2: Convert to fraction form
    181,353,718.69/393,497,796.94 = 393,497,796.94/x
  3. Step 3: Cross multiply
    181,353,718.69x = 393,497,796.94 × 393,497,796.94
  4. Step 4: Simplify right side
    181,353,718.69x = 154,840,516,194,665,984
  5. Step 5: Solve for x
    x = 154,840,516,194,665,984/181,353,718.69
  6. Step 6: Final answer
    x = 853,803,921.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.