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Finding the Third Proportional to 18,180,306 and 39,781,404

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Solution

The third proportional to 18,180,306 and 39,781,404 is: 87,048,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,306 : 39,781,404 = 39,781,404 : x
  2. Step 2: Convert to fraction form
    18,180,306/39,781,404 = 39,781,404/x
  3. Step 3: Cross multiply
    18,180,306x = 39,781,404 × 39,781,404
  4. Step 4: Simplify right side
    18,180,306x = 1,582,560,104,211,216
  5. Step 5: Solve for x
    x = 1,582,560,104,211,216/18,180,306
  6. Step 6: Final answer
    x = 87,048,045.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.