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Finding the Third Proportional to 6,768,428 and 11,110,913

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Solution

The third proportional to 6,768,428 and 11,110,913 is: 18,239,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768,428 : 11,110,913 = 11,110,913 : x
  2. Step 2: Convert to fraction form
    6,768,428/11,110,913 = 11,110,913/x
  3. Step 3: Cross multiply
    6,768,428x = 11,110,913 × 11,110,913
  4. Step 4: Simplify right side
    6,768,428x = 123,452,387,693,569
  5. Step 5: Solve for x
    x = 123,452,387,693,569/6,768,428
  6. Step 6: Final answer
    x = 18,239,447.58

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.