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Finding the Third Proportional to 72,859,639.50 and 157,826,187

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Solution

The third proportional to 72,859,639.50 and 157,826,187 is: 341,877,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,859,639.50 : 157,826,187 = 157,826,187 : x
  2. Step 2: Convert to fraction form
    72,859,639.50/157,826,187 = 157,826,187/x
  3. Step 3: Cross multiply
    72,859,639.50x = 157,826,187 × 157,826,187
  4. Step 4: Simplify right side
    72,859,639.50x = 24,909,105,302,958,968
  5. Step 5: Solve for x
    x = 24,909,105,302,958,968/72,859,639.50
  6. Step 6: Final answer
    x = 341,877,965.28

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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.