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Finding the Third Proportional to 90,885,781 and 143,937,511

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Solution

The third proportional to 90,885,781 and 143,937,511 is: 227,956,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,885,781 : 143,937,511 = 143,937,511 : x
  2. Step 2: Convert to fraction form
    90,885,781/143,937,511 = 143,937,511/x
  3. Step 3: Cross multiply
    90,885,781x = 143,937,511 × 143,937,511
  4. Step 4: Simplify right side
    90,885,781x = 20,718,007,072,875,120
  5. Step 5: Solve for x
    x = 20,718,007,072,875,120/90,885,781
  6. Step 6: Final answer
    x = 227,956,527.91

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.