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Finding the Third Proportional to 12,621,176 and 18,048,432

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Solution

The third proportional to 12,621,176 and 18,048,432 is: 25,809,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,176 : 18,048,432 = 18,048,432 : x
  2. Step 2: Convert to fraction form
    12,621,176/18,048,432 = 18,048,432/x
  3. Step 3: Cross multiply
    12,621,176x = 18,048,432 × 18,048,432
  4. Step 4: Simplify right side
    12,621,176x = 325,745,897,658,624
  5. Step 5: Solve for x
    x = 325,745,897,658,624/12,621,176
  6. Step 6: Final answer
    x = 25,809,472.72

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.