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Finding the Third Proportional to 17,992,422 and 39,179,484

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Solution

The third proportional to 17,992,422 and 39,179,484 is: 85,315,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,422 : 39,179,484 = 39,179,484 : x
  2. Step 2: Convert to fraction form
    17,992,422/39,179,484 = 39,179,484/x
  3. Step 3: Cross multiply
    17,992,422x = 39,179,484 × 39,179,484
  4. Step 4: Simplify right side
    17,992,422x = 1,535,031,966,506,256
  5. Step 5: Solve for x
    x = 1,535,031,966,506,256/17,992,422
  6. Step 6: Final answer
    x = 85,315,471.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.