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Finding the Third Proportional to 172,629,828 and 369,883,080

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Solution

The third proportional to 172,629,828 and 369,883,080 is: 792,525,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,629,828 : 369,883,080 = 369,883,080 : x
  2. Step 2: Convert to fraction form
    172,629,828/369,883,080 = 369,883,080/x
  3. Step 3: Cross multiply
    172,629,828x = 369,883,080 × 369,883,080
  4. Step 4: Simplify right side
    172,629,828x = 136,813,492,870,286,400
  5. Step 5: Solve for x
    x = 136,813,492,870,286,400/172,629,828
  6. Step 6: Final answer
    x = 792,525,222.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.