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Finding the Third Proportional to 785,220,331.50 and 1,162,669,477.50

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Solution

The third proportional to 785,220,331.50 and 1,162,669,477.50 is: 1,721,555,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,220,331.50 : 1,162,669,477.50 = 1,162,669,477.50 : x
  2. Step 2: Convert to fraction form
    785,220,331.50/1,162,669,477.50 = 1,162,669,477.50/x
  3. Step 3: Cross multiply
    785,220,331.50x = 1,162,669,477.50 × 1,162,669,477.50
  4. Step 4: Simplify right side
    785,220,331.50x = 1,351,800,313,910,123,008
  5. Step 5: Solve for x
    x = 1,351,800,313,910,123,008/785,220,331.50
  6. Step 6: Final answer
    x = 1,721,555,415.32

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.