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Finding the Third Proportional to 143,345,111 and 221,354,630

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Solution

The third proportional to 143,345,111 and 221,354,630 is: 341,817,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,345,111 : 221,354,630 = 221,354,630 : x
  2. Step 2: Convert to fraction form
    143,345,111/221,354,630 = 221,354,630/x
  3. Step 3: Cross multiply
    143,345,111x = 221,354,630 × 221,354,630
  4. Step 4: Simplify right side
    143,345,111x = 48,997,872,222,436,896
  5. Step 5: Solve for x
    x = 48,997,872,222,436,896/143,345,111
  6. Step 6: Final answer
    x = 341,817,533.09

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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.