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Finding the Third Proportional to 789,510,926 and 1,710,819,220

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Solution

The third proportional to 789,510,926 and 1,710,819,220 is: 3,707,234,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,510,926 : 1,710,819,220 = 1,710,819,220 : x
  2. Step 2: Convert to fraction form
    789,510,926/1,710,819,220 = 1,710,819,220/x
  3. Step 3: Cross multiply
    789,510,926x = 1,710,819,220 × 1,710,819,220
  4. Step 4: Simplify right side
    789,510,926x = 2,926,902,403,521,408,512
  5. Step 5: Solve for x
    x = 2,926,902,403,521,408,512/789,510,926
  6. Step 6: Final answer
    x = 3,707,234,829.99

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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.