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Finding the Third Proportional to 79,805,520 and 171,545,526

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Solution

The third proportional to 79,805,520 and 171,545,526 is: 368,744,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805,520 : 171,545,526 = 171,545,526 : x
  2. Step 2: Convert to fraction form
    79,805,520/171,545,526 = 171,545,526/x
  3. Step 3: Cross multiply
    79,805,520x = 171,545,526 × 171,545,526
  4. Step 4: Simplify right side
    79,805,520x = 29,427,867,490,616,676
  5. Step 5: Solve for x
    x = 29,427,867,490,616,676/79,805,520
  6. Step 6: Final answer
    x = 368,744,762.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.