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Finding the Third Proportional to 6,979,709 and 10,427,889

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Solution

The third proportional to 6,979,709 and 10,427,889 is: 15,579,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,709 : 10,427,889 = 10,427,889 : x
  2. Step 2: Convert to fraction form
    6,979,709/10,427,889 = 10,427,889/x
  3. Step 3: Cross multiply
    6,979,709x = 10,427,889 × 10,427,889
  4. Step 4: Simplify right side
    6,979,709x = 108,740,868,996,321
  5. Step 5: Solve for x
    x = 108,740,868,996,321/6,979,709
  6. Step 6: Final answer
    x = 15,579,570.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.