Home / 81,791,075,020.36-178,989,795,683.16

Finding the Third Proportional to 81,791,075,020.36 and 178,989,795,683.16

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Solution

The third proportional to 81,791,075,020.36 and 178,989,795,683.16 is: 391,697,345,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,791,075,020.36 : 178,989,795,683.16 = 178,989,795,683.16 : x
  2. Step 2: Convert to fraction form
    81,791,075,020.36/178,989,795,683.16 = 178,989,795,683.16/x
  3. Step 3: Cross multiply
    81,791,075,020.36x = 178,989,795,683.16 × 178,989,795,683.16
  4. Step 4: Simplify right side
    81,791,075,020.36x = 32,037,346,958,699,363,565,568
  5. Step 5: Solve for x
    x = 32,037,346,958,699,363,565,568/81,791,075,020.36
  6. Step 6: Final answer
    x = 391,697,345,348.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.