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Finding the Third Proportional to 56,185,391,220 and 81,178,187,778

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Solution

The third proportional to 56,185,391,220 and 81,178,187,778 is: 117,288,462,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185,391,220 : 81,178,187,778 = 81,178,187,778 : x
  2. Step 2: Convert to fraction form
    56,185,391,220/81,178,187,778 = 81,178,187,778/x
  3. Step 3: Cross multiply
    56,185,391,220x = 81,178,187,778 × 81,178,187,778
  4. Step 4: Simplify right side
    56,185,391,220x = 6,589,898,170,920,228,356,096
  5. Step 5: Solve for x
    x = 6,589,898,170,920,228,356,096/56,185,391,220
  6. Step 6: Final answer
    x = 117,288,462,851.79

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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.