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Finding the Third Proportional to 808,685,968.50 and 1,155,633,321.75

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Solution

The third proportional to 808,685,968.50 and 1,155,633,321.75 is: 1,651,430,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,685,968.50 : 1,155,633,321.75 = 1,155,633,321.75 : x
  2. Step 2: Convert to fraction form
    808,685,968.50/1,155,633,321.75 = 1,155,633,321.75/x
  3. Step 3: Cross multiply
    808,685,968.50x = 1,155,633,321.75 × 1,155,633,321.75
  4. Step 4: Simplify right side
    808,685,968.50x = 1,335,488,374,338,939,136
  5. Step 5: Solve for x
    x = 1,335,488,374,338,939,136/808,685,968.50
  6. Step 6: Final answer
    x = 1,651,430,130.31

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.