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Finding the Third Proportional to 394,509,703.50 and 628,296,061.50

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Solution

The third proportional to 394,509,703.50 and 628,296,061.50 is: 1,000,624,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,509,703.50 : 628,296,061.50 = 628,296,061.50 : x
  2. Step 2: Convert to fraction form
    394,509,703.50/628,296,061.50 = 628,296,061.50/x
  3. Step 3: Cross multiply
    394,509,703.50x = 628,296,061.50 × 628,296,061.50
  4. Step 4: Simplify right side
    394,509,703.50x = 394,755,940,896,411,776
  5. Step 5: Solve for x
    x = 394,755,940,896,411,776/394,509,703.50
  6. Step 6: Final answer
    x = 1,000,624,160.56

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.