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Finding the Third Proportional to 74,490,412 and 160,365,282

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Solution

The third proportional to 74,490,412 and 160,365,282 is: 345,239,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,412 : 160,365,282 = 160,365,282 : x
  2. Step 2: Convert to fraction form
    74,490,412/160,365,282 = 160,365,282/x
  3. Step 3: Cross multiply
    74,490,412x = 160,365,282 × 160,365,282
  4. Step 4: Simplify right side
    74,490,412x = 25,717,023,670,939,524
  5. Step 5: Solve for x
    x = 25,717,023,670,939,524/74,490,412
  6. Step 6: Final answer
    x = 345,239,380.22

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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.