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Finding the Third Proportional to 74,352,057 and 161,056,290

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Solution

The third proportional to 74,352,057 and 161,056,290 is: 348,869,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352,057 : 161,056,290 = 161,056,290 : x
  2. Step 2: Convert to fraction form
    74,352,057/161,056,290 = 161,056,290/x
  3. Step 3: Cross multiply
    74,352,057x = 161,056,290 × 161,056,290
  4. Step 4: Simplify right side
    74,352,057x = 25,939,128,548,564,100
  5. Step 5: Solve for x
    x = 25,939,128,548,564,100/74,352,057
  6. Step 6: Final answer
    x = 348,869,010.42

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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.