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Finding the Third Proportional to 18,648,765.94 and 39,230,038.69

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Solution

The third proportional to 18,648,765.94 and 39,230,038.69 is: 82,525,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648,765.94 : 39,230,038.69 = 39,230,038.69 : x
  2. Step 2: Convert to fraction form
    18,648,765.94/39,230,038.69 = 39,230,038.69/x
  3. Step 3: Cross multiply
    18,648,765.94x = 39,230,038.69 × 39,230,038.69
  4. Step 4: Simplify right side
    18,648,765.94x = 1,538,995,935,422,746.75
  5. Step 5: Solve for x
    x = 1,538,995,935,422,746.75/18,648,765.94
  6. Step 6: Final answer
    x = 82,525,349.97

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.