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Finding the Third Proportional to 78,719,002 and 170,818,692

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Solution

The third proportional to 78,719,002 and 170,818,692 is: 370,673,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,719,002 : 170,818,692 = 170,818,692 : x
  2. Step 2: Convert to fraction form
    78,719,002/170,818,692 = 170,818,692/x
  3. Step 3: Cross multiply
    78,719,002x = 170,818,692 × 170,818,692
  4. Step 4: Simplify right side
    78,719,002x = 29,179,025,536,590,864
  5. Step 5: Solve for x
    x = 29,179,025,536,590,864/78,719,002
  6. Step 6: Final answer
    x = 370,673,214.79

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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.