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Finding the Third Proportional to 100,956,917.25 and 219,602,412

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Solution

The third proportional to 100,956,917.25 and 219,602,412 is: 477,681,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,956,917.25 : 219,602,412 = 219,602,412 : x
  2. Step 2: Convert to fraction form
    100,956,917.25/219,602,412 = 219,602,412/x
  3. Step 3: Cross multiply
    100,956,917.25x = 219,602,412 × 219,602,412
  4. Step 4: Simplify right side
    100,956,917.25x = 48,225,219,356,217,744
  5. Step 5: Solve for x
    x = 48,225,219,356,217,744/100,956,917.25
  6. Step 6: Final answer
    x = 477,681,179.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.