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Finding the Third Proportional to 77,207,208 and 169,716,147

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Solution

The third proportional to 77,207,208 and 169,716,147 is: 373,068,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207,208 : 169,716,147 = 169,716,147 : x
  2. Step 2: Convert to fraction form
    77,207,208/169,716,147 = 169,716,147/x
  3. Step 3: Cross multiply
    77,207,208x = 169,716,147 × 169,716,147
  4. Step 4: Simplify right side
    77,207,208x = 28,803,570,552,525,608
  5. Step 5: Solve for x
    x = 28,803,570,552,525,608/77,207,208
  6. Step 6: Final answer
    x = 373,068,412.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.