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Finding the Third Proportional to 74,627,022 and 161,477,915

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Solution

The third proportional to 74,627,022 and 161,477,915 is: 349,405,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627,022 : 161,477,915 = 161,477,915 : x
  2. Step 2: Convert to fraction form
    74,627,022/161,477,915 = 161,477,915/x
  3. Step 3: Cross multiply
    74,627,022x = 161,477,915 × 161,477,915
  4. Step 4: Simplify right side
    74,627,022x = 26,075,117,032,747,224
  5. Step 5: Solve for x
    x = 26,075,117,032,747,224/74,627,022
  6. Step 6: Final answer
    x = 349,405,836.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.