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Finding the Third Proportional to 73,140,316 and 157,287,992

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Solution

The third proportional to 73,140,316 and 157,287,992 is: 338,247,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140,316 : 157,287,992 = 157,287,992 : x
  2. Step 2: Convert to fraction form
    73,140,316/157,287,992 = 157,287,992/x
  3. Step 3: Cross multiply
    73,140,316x = 157,287,992 × 157,287,992
  4. Step 4: Simplify right side
    73,140,316x = 24,739,512,427,392,064
  5. Step 5: Solve for x
    x = 24,739,512,427,392,064/73,140,316
  6. Step 6: Final answer
    x = 338,247,272.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.