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Finding the Third Proportional to 21,804,785,561 and 47,330,945,157.50

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Solution

The third proportional to 21,804,785,561 and 47,330,945,157.50 is: 102,739,756,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,785,561 : 47,330,945,157.50 = 47,330,945,157.50 : x
  2. Step 2: Convert to fraction form
    21,804,785,561/47,330,945,157.50 = 47,330,945,157.50/x
  3. Step 3: Cross multiply
    21,804,785,561x = 47,330,945,157.50 × 47,330,945,157.50
  4. Step 4: Simplify right side
    21,804,785,561x = 2,240,218,369,502,272,815,104
  5. Step 5: Solve for x
    x = 2,240,218,369,502,272,815,104/21,804,785,561
  6. Step 6: Final answer
    x = 102,739,756,978.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.