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Finding the Third Proportional to 74,785,608 and 111,879,480

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Solution

The third proportional to 74,785,608 and 111,879,480 is: 167,372,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,785,608 : 111,879,480 = 111,879,480 : x
  2. Step 2: Convert to fraction form
    74,785,608/111,879,480 = 111,879,480/x
  3. Step 3: Cross multiply
    74,785,608x = 111,879,480 × 111,879,480
  4. Step 4: Simplify right side
    74,785,608x = 12,517,018,045,070,400
  5. Step 5: Solve for x
    x = 12,517,018,045,070,400/74,785,608
  6. Step 6: Final answer
    x = 167,372,016.89

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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.