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Finding the Third Proportional to 143,345,109 and 221,354,627

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Solution

The third proportional to 143,345,109 and 221,354,627 is: 341,817,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,345,109 : 221,354,627 = 221,354,627 : x
  2. Step 2: Convert to fraction form
    143,345,109/221,354,627 = 221,354,627/x
  3. Step 3: Cross multiply
    143,345,109x = 221,354,627 × 221,354,627
  4. Step 4: Simplify right side
    143,345,109x = 48,997,870,894,309,128
  5. Step 5: Solve for x
    x = 48,997,870,894,309,128/143,345,109
  6. Step 6: Final answer
    x = 341,817,528.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.