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Finding the Third Proportional to 5,271,878 and 11,510,572

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Solution

The third proportional to 5,271,878 and 11,510,572 is: 25,132,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,878 : 11,510,572 = 11,510,572 : x
  2. Step 2: Convert to fraction form
    5,271,878/11,510,572 = 11,510,572/x
  3. Step 3: Cross multiply
    5,271,878x = 11,510,572 × 11,510,572
  4. Step 4: Simplify right side
    5,271,878x = 132,493,267,767,184
  5. Step 5: Solve for x
    x = 132,493,267,767,184/5,271,878
  6. Step 6: Final answer
    x = 25,132,081.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.