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Finding the Third Proportional to 74,352,036 and 161,056,244

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Solution

The third proportional to 74,352,036 and 161,056,244 is: 348,868,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352,036 : 161,056,244 = 161,056,244 : x
  2. Step 2: Convert to fraction form
    74,352,036/161,056,244 = 161,056,244/x
  3. Step 3: Cross multiply
    74,352,036x = 161,056,244 × 161,056,244
  4. Step 4: Simplify right side
    74,352,036x = 25,939,113,731,387,536
  5. Step 5: Solve for x
    x = 25,939,113,731,387,536/74,352,036
  6. Step 6: Final answer
    x = 348,868,909.67

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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.