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Finding the Third Proportional to 20,852,630 and 43,155,242

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Solution

The third proportional to 20,852,630 and 43,155,242 is: 89,311,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,630 : 43,155,242 = 43,155,242 : x
  2. Step 2: Convert to fraction form
    20,852,630/43,155,242 = 43,155,242/x
  3. Step 3: Cross multiply
    20,852,630x = 43,155,242 × 43,155,242
  4. Step 4: Simplify right side
    20,852,630x = 1,862,374,912,078,564
  5. Step 5: Solve for x
    x = 1,862,374,912,078,564/20,852,630
  6. Step 6: Final answer
    x = 89,311,272.11

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.