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Finding the Third Proportional to 156,087,938 and 336,149,764

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Solution

The third proportional to 156,087,938 and 336,149,764 is: 723,929,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087,938 : 336,149,764 = 336,149,764 : x
  2. Step 2: Convert to fraction form
    156,087,938/336,149,764 = 336,149,764/x
  3. Step 3: Cross multiply
    156,087,938x = 336,149,764 × 336,149,764
  4. Step 4: Simplify right side
    156,087,938x = 112,996,663,837,255,696
  5. Step 5: Solve for x
    x = 112,996,663,837,255,696/156,087,938
  6. Step 6: Final answer
    x = 723,929,505.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.