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Finding the Third Proportional to 3,415,876 and 7,392,776

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Solution

The third proportional to 3,415,876 and 7,392,776 is: 15,999,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,876 : 7,392,776 = 7,392,776 : x
  2. Step 2: Convert to fraction form
    3,415,876/7,392,776 = 7,392,776/x
  3. Step 3: Cross multiply
    3,415,876x = 7,392,776 × 7,392,776
  4. Step 4: Simplify right side
    3,415,876x = 54,653,136,986,176
  5. Step 5: Solve for x
    x = 54,653,136,986,176/3,415,876
  6. Step 6: Final answer
    x = 15,999,742.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.