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Finding the Third Proportional to 70,316,743 and 154,247,972

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Solution

The third proportional to 70,316,743 and 154,247,972 is: 338,360,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,316,743 : 154,247,972 = 154,247,972 : x
  2. Step 2: Convert to fraction form
    70,316,743/154,247,972 = 154,247,972/x
  3. Step 3: Cross multiply
    70,316,743x = 154,247,972 × 154,247,972
  4. Step 4: Simplify right side
    70,316,743x = 23,792,436,866,112,784
  5. Step 5: Solve for x
    x = 23,792,436,866,112,784/70,316,743
  6. Step 6: Final answer
    x = 338,360,905.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.