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Finding the Third Proportional to 664,051,243.50 and 992,416,918.50

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Solution

The third proportional to 664,051,243.50 and 992,416,918.50 is: 1,483,155,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,051,243.50 : 992,416,918.50 = 992,416,918.50 : x
  2. Step 2: Convert to fraction form
    664,051,243.50/992,416,918.50 = 992,416,918.50/x
  3. Step 3: Cross multiply
    664,051,243.50x = 992,416,918.50 × 992,416,918.50
  4. Step 4: Simplify right side
    664,051,243.50x = 984,891,340,125,035,648
  5. Step 5: Solve for x
    x = 984,891,340,125,035,648/664,051,243.50
  6. Step 6: Final answer
    x = 1,483,155,629.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.