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Finding the Third Proportional to 74,168,143 and 109,107,901

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Solution

The third proportional to 74,168,143 and 109,107,901 is: 160,507,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168,143 : 109,107,901 = 109,107,901 : x
  2. Step 2: Convert to fraction form
    74,168,143/109,107,901 = 109,107,901/x
  3. Step 3: Cross multiply
    74,168,143x = 109,107,901 × 109,107,901
  4. Step 4: Simplify right side
    74,168,143x = 11,904,534,060,625,800
  5. Step 5: Solve for x
    x = 11,904,534,060,625,800/74,168,143
  6. Step 6: Final answer
    x = 160,507,376.61

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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.