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Finding the Third Proportional to 74,451,690 and 111,756,240

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Solution

The third proportional to 74,451,690 and 111,756,240 is: 167,752,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451,690 : 111,756,240 = 111,756,240 : x
  2. Step 2: Convert to fraction form
    74,451,690/111,756,240 = 111,756,240/x
  3. Step 3: Cross multiply
    74,451,690x = 111,756,240 × 111,756,240
  4. Step 4: Simplify right side
    74,451,690x = 12,489,457,178,937,600
  5. Step 5: Solve for x
    x = 12,489,457,178,937,600/74,451,690
  6. Step 6: Final answer
    x = 167,752,500.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.