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Finding the Third Proportional to 77,976,914 and 168,970,852

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Solution

The third proportional to 77,976,914 and 168,970,852 is: 366,148,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,976,914 : 168,970,852 = 168,970,852 : x
  2. Step 2: Convert to fraction form
    77,976,914/168,970,852 = 168,970,852/x
  3. Step 3: Cross multiply
    77,976,914x = 168,970,852 × 168,970,852
  4. Step 4: Simplify right side
    77,976,914x = 28,551,148,825,605,904
  5. Step 5: Solve for x
    x = 28,551,148,825,605,904/77,976,914
  6. Step 6: Final answer
    x = 366,148,740.20

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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.