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Finding the Third Proportional to 9,433,768.78 and 19,955,235.94

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Solution

The third proportional to 9,433,768.78 and 19,955,235.94 is: 42,211,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433,768.78 : 19,955,235.94 = 19,955,235.94 : x
  2. Step 2: Convert to fraction form
    9,433,768.78/19,955,235.94 = 19,955,235.94/x
  3. Step 3: Cross multiply
    9,433,768.78x = 19,955,235.94 × 19,955,235.94
  4. Step 4: Simplify right side
    9,433,768.78x = 398,211,441,321,291.50
  5. Step 5: Solve for x
    x = 398,211,441,321,291.50/9,433,768.78
  6. Step 6: Final answer
    x = 42,211,278.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.