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Finding the Third Proportional to 5,271,858 and 11,510,528

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Solution

The third proportional to 5,271,858 and 11,510,528 is: 25,131,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,858 : 11,510,528 = 11,510,528 : x
  2. Step 2: Convert to fraction form
    5,271,858/11,510,528 = 11,510,528/x
  3. Step 3: Cross multiply
    5,271,858x = 11,510,528 × 11,510,528
  4. Step 4: Simplify right side
    5,271,858x = 132,492,254,838,784
  5. Step 5: Solve for x
    x = 132,492,254,838,784/5,271,858
  6. Step 6: Final answer
    x = 25,131,984.75

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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.