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Finding the Third Proportional to 73,141,659.70 and 107,287,756.45

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Solution

The third proportional to 73,141,659.70 and 107,287,756.45 is: 157,374,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141,659.70 : 107,287,756.45 = 107,287,756.45 : x
  2. Step 2: Convert to fraction form
    73,141,659.70/107,287,756.45 = 107,287,756.45/x
  3. Step 3: Cross multiply
    73,141,659.70x = 107,287,756.45 × 107,287,756.45
  4. Step 4: Simplify right side
    73,141,659.70x = 11,510,662,684,743,990
  5. Step 5: Solve for x
    x = 11,510,662,684,743,990/73,141,659.70
  6. Step 6: Final answer
    x = 157,374,917.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.