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Finding the Third Proportional to 74,490,330 and 160,365,046

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Solution

The third proportional to 74,490,330 and 160,365,046 is: 345,238,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,330 : 160,365,046 = 160,365,046 : x
  2. Step 2: Convert to fraction form
    74,490,330/160,365,046 = 160,365,046/x
  3. Step 3: Cross multiply
    74,490,330x = 160,365,046 × 160,365,046
  4. Step 4: Simplify right side
    74,490,330x = 25,716,947,978,582,116
  5. Step 5: Solve for x
    x = 25,716,947,978,582,116/74,490,330
  6. Step 6: Final answer
    x = 345,238,744.12

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Why These Related Problems?

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