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Finding the Third Proportional to 18,587,720 and 40,263,484

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Solution

The third proportional to 18,587,720 and 40,263,484 is: 87,216,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,720 : 40,263,484 = 40,263,484 : x
  2. Step 2: Convert to fraction form
    18,587,720/40,263,484 = 40,263,484/x
  3. Step 3: Cross multiply
    18,587,720x = 40,263,484 × 40,263,484
  4. Step 4: Simplify right side
    18,587,720x = 1,621,148,143,818,256
  5. Step 5: Solve for x
    x = 1,621,148,143,818,256/18,587,720
  6. Step 6: Final answer
    x = 87,216,083.73

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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.