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Finding the Third Proportional to 50,974,220,980 and 79,963,511,379

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Solution

The third proportional to 50,974,220,980 and 79,963,511,379 is: 125,439,153,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,974,220,980 : 79,963,511,379 = 79,963,511,379 : x
  2. Step 2: Convert to fraction form
    50,974,220,980/79,963,511,379 = 79,963,511,379/x
  3. Step 3: Cross multiply
    50,974,220,980x = 79,963,511,379 × 79,963,511,379
  4. Step 4: Simplify right side
    50,974,220,980x = 6,394,163,152,059,462,844,416
  5. Step 5: Solve for x
    x = 6,394,163,152,059,462,844,416/50,974,220,980
  6. Step 6: Final answer
    x = 125,439,153,931.72

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.