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Finding the Third Proportional to 18,641,638.69 and 40,510,071

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Solution

The third proportional to 18,641,638.69 and 40,510,071 is: 88,032,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,638.69 : 40,510,071 = 40,510,071 : x
  2. Step 2: Convert to fraction form
    18,641,638.69/40,510,071 = 40,510,071/x
  3. Step 3: Cross multiply
    18,641,638.69x = 40,510,071 × 40,510,071
  4. Step 4: Simplify right side
    18,641,638.69x = 1,641,065,852,425,041
  5. Step 5: Solve for x
    x = 1,641,065,852,425,041/18,641,638.69
  6. Step 6: Final answer
    x = 88,032,274.41

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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.