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Finding the Third Proportional to 13,257,756 and 20,960,208

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Solution

The third proportional to 13,257,756 and 20,960,208 is: 33,137,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,756 : 20,960,208 = 20,960,208 : x
  2. Step 2: Convert to fraction form
    13,257,756/20,960,208 = 20,960,208/x
  3. Step 3: Cross multiply
    13,257,756x = 20,960,208 × 20,960,208
  4. Step 4: Simplify right side
    13,257,756x = 439,330,319,403,264
  5. Step 5: Solve for x
    x = 439,330,319,403,264/13,257,756
  6. Step 6: Final answer
    x = 33,137,607.86

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.