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Finding the Third Proportional to 430,788 and 939,908

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Solution

The third proportional to 430,788 and 939,908 is: 2,050,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,788 : 939,908 = 939,908 : x
  2. Step 2: Convert to fraction form
    430,788/939,908 = 939,908/x
  3. Step 3: Cross multiply
    430,788x = 939,908 × 939,908
  4. Step 4: Simplify right side
    430,788x = 883,427,048,464
  5. Step 5: Solve for x
    x = 883,427,048,464/430,788
  6. Step 6: Final answer
    x = 2,050,723.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.