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Finding the Third Proportional to 70,905,542 and 154,234,270

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Solution

The third proportional to 70,905,542 and 154,234,270 is: 335,491,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905,542 : 154,234,270 = 154,234,270 : x
  2. Step 2: Convert to fraction form
    70,905,542/154,234,270 = 154,234,270/x
  3. Step 3: Cross multiply
    70,905,542x = 154,234,270 × 154,234,270
  4. Step 4: Simplify right side
    70,905,542x = 23,788,210,042,432,900
  5. Step 5: Solve for x
    x = 23,788,210,042,432,900/70,905,542
  6. Step 6: Final answer
    x = 335,491,547.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.