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Finding the Third Proportional to 77,170,014 and 169,884,702

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Solution

The third proportional to 77,170,014 and 169,884,702 is: 373,989,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,170,014 : 169,884,702 = 169,884,702 : x
  2. Step 2: Convert to fraction form
    77,170,014/169,884,702 = 169,884,702/x
  3. Step 3: Cross multiply
    77,170,014x = 169,884,702 × 169,884,702
  4. Step 4: Simplify right side
    77,170,014x = 28,860,811,973,628,804
  5. Step 5: Solve for x
    x = 28,860,811,973,628,804/77,170,014
  6. Step 6: Final answer
    x = 373,989,979.76

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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.