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Finding the Third Proportional to 17,992,428 and 39,179,495

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Solution

The third proportional to 17,992,428 and 39,179,495 is: 85,315,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,428 : 39,179,495 = 39,179,495 : x
  2. Step 2: Convert to fraction form
    17,992,428/39,179,495 = 39,179,495/x
  3. Step 3: Cross multiply
    17,992,428x = 39,179,495 × 39,179,495
  4. Step 4: Simplify right side
    17,992,428x = 1,535,032,828,455,025
  5. Step 5: Solve for x
    x = 1,535,032,828,455,025/17,992,428
  6. Step 6: Final answer
    x = 85,315,490.96

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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.