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Finding the Third Proportional to 74,627,018 and 161,477,910

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Solution

The third proportional to 74,627,018 and 161,477,910 is: 349,405,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627,018 : 161,477,910 = 161,477,910 : x
  2. Step 2: Convert to fraction form
    74,627,018/161,477,910 = 161,477,910/x
  3. Step 3: Cross multiply
    74,627,018x = 161,477,910 × 161,477,910
  4. Step 4: Simplify right side
    74,627,018x = 26,075,115,417,968,100
  5. Step 5: Solve for x
    x = 26,075,115,417,968,100/74,627,018
  6. Step 6: Final answer
    x = 349,405,833.39

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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.