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Finding the Third Proportional to 79,957,012.50 and 120,919,668.75

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Solution

The third proportional to 79,957,012.50 and 120,919,668.75 is: 182,867,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,957,012.50 : 120,919,668.75 = 120,919,668.75 : x
  2. Step 2: Convert to fraction form
    79,957,012.50/120,919,668.75 = 120,919,668.75/x
  3. Step 3: Cross multiply
    79,957,012.50x = 120,919,668.75 × 120,919,668.75
  4. Step 4: Simplify right side
    79,957,012.50x = 14,621,566,290,609,726
  5. Step 5: Solve for x
    x = 14,621,566,290,609,726/79,957,012.50
  6. Step 6: Final answer
    x = 182,867,841.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.