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Finding the Third Proportional to 71,874,543 and 117,352,238

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Solution

The third proportional to 71,874,543 and 117,352,238 is: 191,605,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,874,543 : 117,352,238 = 117,352,238 : x
  2. Step 2: Convert to fraction form
    71,874,543/117,352,238 = 117,352,238/x
  3. Step 3: Cross multiply
    71,874,543x = 117,352,238 × 117,352,238
  4. Step 4: Simplify right side
    71,874,543x = 13,771,547,763,608,644
  5. Step 5: Solve for x
    x = 13,771,547,763,608,644/71,874,543
  6. Step 6: Final answer
    x = 191,605,361.07

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.