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Finding the Third Proportional to 40,557,030 and 90,181,692

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Solution

The third proportional to 40,557,030 and 90,181,692 is: 200,525,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,557,030 : 90,181,692 = 90,181,692 : x
  2. Step 2: Convert to fraction form
    40,557,030/90,181,692 = 90,181,692/x
  3. Step 3: Cross multiply
    40,557,030x = 90,181,692 × 90,181,692
  4. Step 4: Simplify right side
    40,557,030x = 8,132,737,571,982,864
  5. Step 5: Solve for x
    x = 8,132,737,571,982,864/40,557,030
  6. Step 6: Final answer
    x = 200,525,964.84

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.