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Finding the Third Proportional to 74,310,345 and 114,778,809

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Solution

The third proportional to 74,310,345 and 114,778,809 is: 177,285,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310,345 : 114,778,809 = 114,778,809 : x
  2. Step 2: Convert to fraction form
    74,310,345/114,778,809 = 114,778,809/x
  3. Step 3: Cross multiply
    74,310,345x = 114,778,809 × 114,778,809
  4. Step 4: Simplify right side
    74,310,345x = 13,174,174,995,458,480
  5. Step 5: Solve for x
    x = 13,174,174,995,458,480/74,310,345
  6. Step 6: Final answer
    x = 177,285,881.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.