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Finding the Third Proportional to 78,555,692 and 170,709,050

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Solution

The third proportional to 78,555,692 and 170,709,050 is: 370,967,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,555,692 : 170,709,050 = 170,709,050 : x
  2. Step 2: Convert to fraction form
    78,555,692/170,709,050 = 170,709,050/x
  3. Step 3: Cross multiply
    78,555,692x = 170,709,050 × 170,709,050
  4. Step 4: Simplify right side
    78,555,692x = 29,141,579,751,902,500
  5. Step 5: Solve for x
    x = 29,141,579,751,902,500/78,555,692
  6. Step 6: Final answer
    x = 370,967,131.85

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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.