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Finding the Third Proportional to 158,979,914.50 and 239,981,328.50

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Solution

The third proportional to 158,979,914.50 and 239,981,328.50 is: 362,253,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,979,914.50 : 239,981,328.50 = 239,981,328.50 : x
  2. Step 2: Convert to fraction form
    158,979,914.50/239,981,328.50 = 239,981,328.50/x
  3. Step 3: Cross multiply
    158,979,914.50x = 239,981,328.50 × 239,981,328.50
  4. Step 4: Simplify right side
    158,979,914.50x = 57,591,038,028,624,912
  5. Step 5: Solve for x
    x = 57,591,038,028,624,912/158,979,914.50
  6. Step 6: Final answer
    x = 362,253,547.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.