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Finding the Third Proportional to 28,229,922 and 61,238,628

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Solution

The third proportional to 28,229,922 and 61,238,628 is: 132,843,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229,922 : 61,238,628 = 61,238,628 : x
  2. Step 2: Convert to fraction form
    28,229,922/61,238,628 = 61,238,628/x
  3. Step 3: Cross multiply
    28,229,922x = 61,238,628 × 61,238,628
  4. Step 4: Simplify right side
    28,229,922x = 3,750,169,559,322,384
  5. Step 5: Solve for x
    x = 3,750,169,559,322,384/28,229,922
  6. Step 6: Final answer
    x = 132,843,780.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.