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Finding the Third Proportional to 9,219,928 and 13,530,952

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Solution

The third proportional to 9,219,928 and 13,530,952 is: 19,857,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,928 : 13,530,952 = 13,530,952 : x
  2. Step 2: Convert to fraction form
    9,219,928/13,530,952 = 13,530,952/x
  3. Step 3: Cross multiply
    9,219,928x = 13,530,952 × 13,530,952
  4. Step 4: Simplify right side
    9,219,928x = 183,086,662,026,304
  5. Step 5: Solve for x
    x = 183,086,662,026,304/9,219,928
  6. Step 6: Final answer
    x = 19,857,710.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.