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Finding the Third Proportional to 151,994,920 and 308,219,275.50

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Solution

The third proportional to 151,994,920 and 308,219,275.50 is: 625,015,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,994,920 : 308,219,275.50 = 308,219,275.50 : x
  2. Step 2: Convert to fraction form
    151,994,920/308,219,275.50 = 308,219,275.50/x
  3. Step 3: Cross multiply
    151,994,920x = 308,219,275.50 × 308,219,275.50
  4. Step 4: Simplify right side
    151,994,920x = 94,999,121,789,744,896
  5. Step 5: Solve for x
    x = 94,999,121,789,744,896/151,994,920
  6. Step 6: Final answer
    x = 625,015,110.96

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.