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Finding the Third Proportional to 159,881,781 and 349,852,489.50

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Solution

The third proportional to 159,881,781 and 349,852,489.50 is: 765,545,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,881,781 : 349,852,489.50 = 349,852,489.50 : x
  2. Step 2: Convert to fraction form
    159,881,781/349,852,489.50 = 349,852,489.50/x
  3. Step 3: Cross multiply
    159,881,781x = 349,852,489.50 × 349,852,489.50
  4. Step 4: Simplify right side
    159,881,781x = 122,396,764,409,347,616
  5. Step 5: Solve for x
    x = 122,396,764,409,347,616/159,881,781
  6. Step 6: Final answer
    x = 765,545,415.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.