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Finding the Third Proportional to 4,309,905 and 9,427,539

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Solution

The third proportional to 4,309,905 and 9,427,539 is: 20,621,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,905 : 9,427,539 = 9,427,539 : x
  2. Step 2: Convert to fraction form
    4,309,905/9,427,539 = 9,427,539/x
  3. Step 3: Cross multiply
    4,309,905x = 9,427,539 × 9,427,539
  4. Step 4: Simplify right side
    4,309,905x = 88,878,491,596,521
  5. Step 5: Solve for x
    x = 88,878,491,596,521/4,309,905
  6. Step 6: Final answer
    x = 20,621,914.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.