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Finding the Third Proportional to 6,721,928 and 10,087,800

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Solution

The third proportional to 6,721,928 and 10,087,800 is: 15,139,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,928 : 10,087,800 = 10,087,800 : x
  2. Step 2: Convert to fraction form
    6,721,928/10,087,800 = 10,087,800/x
  3. Step 3: Cross multiply
    6,721,928x = 10,087,800 × 10,087,800
  4. Step 4: Simplify right side
    6,721,928x = 101,763,708,840,000
  5. Step 5: Solve for x
    x = 101,763,708,840,000/6,721,928
  6. Step 6: Final answer
    x = 15,139,065.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.