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Finding the Third Proportional to 18,587,732 and 40,263,508

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Solution

The third proportional to 18,587,732 and 40,263,508 is: 87,216,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,732 : 40,263,508 = 40,263,508 : x
  2. Step 2: Convert to fraction form
    18,587,732/40,263,508 = 40,263,508/x
  3. Step 3: Cross multiply
    18,587,732x = 40,263,508 × 40,263,508
  4. Step 4: Simplify right side
    18,587,732x = 1,621,150,076,466,064
  5. Step 5: Solve for x
    x = 1,621,150,076,466,064/18,587,732
  6. Step 6: Final answer
    x = 87,216,131.40

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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.