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Finding the Third Proportional to 143,155,058 and 218,896,059

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Solution

The third proportional to 143,155,058 and 218,896,059 is: 334,710,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,155,058 : 218,896,059 = 218,896,059 : x
  2. Step 2: Convert to fraction form
    143,155,058/218,896,059 = 218,896,059/x
  3. Step 3: Cross multiply
    143,155,058x = 218,896,059 × 218,896,059
  4. Step 4: Simplify right side
    143,155,058x = 47,915,484,645,731,480
  5. Step 5: Solve for x
    x = 47,915,484,645,731,480/143,155,058
  6. Step 6: Final answer
    x = 334,710,385.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.