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Finding the Third Proportional to 17,986,617.75 and 39,559,641

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Solution

The third proportional to 17,986,617.75 and 39,559,641 is: 87,007,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986,617.75 : 39,559,641 = 39,559,641 : x
  2. Step 2: Convert to fraction form
    17,986,617.75/39,559,641 = 39,559,641/x
  3. Step 3: Cross multiply
    17,986,617.75x = 39,559,641 × 39,559,641
  4. Step 4: Simplify right side
    17,986,617.75x = 1,564,965,196,048,881
  5. Step 5: Solve for x
    x = 1,564,965,196,048,881/17,986,617.75
  6. Step 6: Final answer
    x = 87,007,197.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.