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Finding the Third Proportional to 169,929,485.72 and 262,400,851.69

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Solution

The third proportional to 169,929,485.72 and 262,400,851.69 is: 405,192,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,929,485.72 : 262,400,851.69 = 262,400,851.69 : x
  2. Step 2: Convert to fraction form
    169,929,485.72/262,400,851.69 = 262,400,851.69/x
  3. Step 3: Cross multiply
    169,929,485.72x = 262,400,851.69 × 262,400,851.69
  4. Step 4: Simplify right side
    169,929,485.72x = 68,854,206,966,325,368
  5. Step 5: Solve for x
    x = 68,854,206,966,325,368/169,929,485.72
  6. Step 6: Final answer
    x = 405,192,816.74

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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.