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Finding the Third Proportional to 129,528,182 and 280,579,756

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Solution

The third proportional to 129,528,182 and 280,579,756 is: 607,782,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,528,182 : 280,579,756 = 280,579,756 : x
  2. Step 2: Convert to fraction form
    129,528,182/280,579,756 = 280,579,756/x
  3. Step 3: Cross multiply
    129,528,182x = 280,579,756 × 280,579,756
  4. Step 4: Simplify right side
    129,528,182x = 78,724,999,477,019,536
  5. Step 5: Solve for x
    x = 78,724,999,477,019,536/129,528,182
  6. Step 6: Final answer
    x = 607,782,787.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.