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Finding the Third Proportional to 68,956,863.75 and 150,020,541

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Solution

The third proportional to 68,956,863.75 and 150,020,541 is: 326,380,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956,863.75 : 150,020,541 = 150,020,541 : x
  2. Step 2: Convert to fraction form
    68,956,863.75/150,020,541 = 150,020,541/x
  3. Step 3: Cross multiply
    68,956,863.75x = 150,020,541 × 150,020,541
  4. Step 4: Simplify right side
    68,956,863.75x = 22,506,162,721,932,680
  5. Step 5: Solve for x
    x = 22,506,162,721,932,680/68,956,863.75
  6. Step 6: Final answer
    x = 326,380,312.24

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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.