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Finding the Third Proportional to 5,455,333,539 and 11,762,187,021

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Solution

The third proportional to 5,455,333,539 and 11,762,187,021 is: 25,360,327,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,333,539 : 11,762,187,021 = 11,762,187,021 : x
  2. Step 2: Convert to fraction form
    5,455,333,539/11,762,187,021 = 11,762,187,021/x
  3. Step 3: Cross multiply
    5,455,333,539x = 11,762,187,021 × 11,762,187,021
  4. Step 4: Simplify right side
    5,455,333,539x = 138,349,043,516,980,854,784
  5. Step 5: Solve for x
    x = 138,349,043,516,980,854,784/5,455,333,539
  6. Step 6: Final answer
    x = 25,360,327,196.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.