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Finding the Third Proportional to 79,818,730 and 171,569,055

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Solution

The third proportional to 79,818,730 and 171,569,055 is: 368,784,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818,730 : 171,569,055 = 171,569,055 : x
  2. Step 2: Convert to fraction form
    79,818,730/171,569,055 = 171,569,055/x
  3. Step 3: Cross multiply
    79,818,730x = 171,569,055 × 171,569,055
  4. Step 4: Simplify right side
    79,818,730x = 29,435,940,633,593,024
  5. Step 5: Solve for x
    x = 29,435,940,633,593,024/79,818,730
  6. Step 6: Final answer
    x = 368,784,878.36

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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.