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Finding the Third Proportional to 8,808,228 and 12,872,454

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Solution

The third proportional to 8,808,228 and 12,872,454 is: 18,811,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,228 : 12,872,454 = 12,872,454 : x
  2. Step 2: Convert to fraction form
    8,808,228/12,872,454 = 12,872,454/x
  3. Step 3: Cross multiply
    8,808,228x = 12,872,454 × 12,872,454
  4. Step 4: Simplify right side
    8,808,228x = 165,700,071,982,116
  5. Step 5: Solve for x
    x = 165,700,071,982,116/8,808,228
  6. Step 6: Final answer
    x = 18,811,964.45

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.