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Finding the Third Proportional to 143,297,326.50 and 214,720,975.50

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Solution

The third proportional to 143,297,326.50 and 214,720,975.50 is: 321,744,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,297,326.50 : 214,720,975.50 = 214,720,975.50 : x
  2. Step 2: Convert to fraction form
    143,297,326.50/214,720,975.50 = 214,720,975.50/x
  3. Step 3: Cross multiply
    143,297,326.50x = 214,720,975.50 × 214,720,975.50
  4. Step 4: Simplify right side
    143,297,326.50x = 46,105,097,319,671,600
  5. Step 5: Solve for x
    x = 46,105,097,319,671,600/143,297,326.50
  6. Step 6: Final answer
    x = 321,744,295.21

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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.