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Finding the Third Proportional to 79,126,961.50 and 168,705,515

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Solution

The third proportional to 79,126,961.50 and 168,705,515 is: 359,694,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126,961.50 : 168,705,515 = 168,705,515 : x
  2. Step 2: Convert to fraction form
    79,126,961.50/168,705,515 = 168,705,515/x
  3. Step 3: Cross multiply
    79,126,961.50x = 168,705,515 × 168,705,515
  4. Step 4: Simplify right side
    79,126,961.50x = 28,461,550,791,415,224
  5. Step 5: Solve for x
    x = 28,461,550,791,415,224/79,126,961.50
  6. Step 6: Final answer
    x = 359,694,726.70

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.