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Finding the Third Proportional to 255,427,038 and 389,516,889

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Solution

The third proportional to 255,427,038 and 389,516,889 is: 593,999,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,427,038 : 389,516,889 = 389,516,889 : x
  2. Step 2: Convert to fraction form
    255,427,038/389,516,889 = 389,516,889/x
  3. Step 3: Cross multiply
    255,427,038x = 389,516,889 × 389,516,889
  4. Step 4: Simplify right side
    255,427,038x = 151,723,406,816,238,336
  5. Step 5: Solve for x
    x = 151,723,406,816,238,336/255,427,038
  6. Step 6: Final answer
    x = 593,999,006.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.