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Finding the Third Proportional to 5,539,807 and 8,509,821

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Solution

The third proportional to 5,539,807 and 8,509,821 is: 13,072,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539,807 : 8,509,821 = 8,509,821 : x
  2. Step 2: Convert to fraction form
    5,539,807/8,509,821 = 8,509,821/x
  3. Step 3: Cross multiply
    5,539,807x = 8,509,821 × 8,509,821
  4. Step 4: Simplify right side
    5,539,807x = 72,417,053,452,041
  5. Step 5: Solve for x
    x = 72,417,053,452,041/5,539,807
  6. Step 6: Final answer
    x = 13,072,125.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.