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Finding the Third Proportional to 78,362,508 and 182,989,290

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Solution

The third proportional to 78,362,508 and 182,989,290 is: 427,309,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,362,508 : 182,989,290 = 182,989,290 : x
  2. Step 2: Convert to fraction form
    78,362,508/182,989,290 = 182,989,290/x
  3. Step 3: Cross multiply
    78,362,508x = 182,989,290 × 182,989,290
  4. Step 4: Simplify right side
    78,362,508x = 33,485,080,254,704,100
  5. Step 5: Solve for x
    x = 33,485,080,254,704,100/78,362,508
  6. Step 6: Final answer
    x = 427,309,961.22

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.