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Finding the Third Proportional to 167,891,520 and 247,036,320

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Solution

The third proportional to 167,891,520 and 247,036,320 is: 363,490,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891,520 : 247,036,320 = 247,036,320 : x
  2. Step 2: Convert to fraction form
    167,891,520/247,036,320 = 247,036,320/x
  3. Step 3: Cross multiply
    167,891,520x = 247,036,320 × 247,036,320
  4. Step 4: Simplify right side
    167,891,520x = 61,026,943,399,142,400
  5. Step 5: Solve for x
    x = 61,026,943,399,142,400/167,891,520
  6. Step 6: Final answer
    x = 363,490,326.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.