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Finding the Third Proportional to 38,302,328 and 81,913,068

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Solution

The third proportional to 38,302,328 and 81,913,068 is: 175,178,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302,328 : 81,913,068 = 81,913,068 : x
  2. Step 2: Convert to fraction form
    38,302,328/81,913,068 = 81,913,068/x
  3. Step 3: Cross multiply
    38,302,328x = 81,913,068 × 81,913,068
  4. Step 4: Simplify right side
    38,302,328x = 6,709,750,709,172,624
  5. Step 5: Solve for x
    x = 6,709,750,709,172,624/38,302,328
  6. Step 6: Final answer
    x = 175,178,665.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.