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Finding the Third Proportional to 18,020,553.75 and 37,318,612.50

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Solution

The third proportional to 18,020,553.75 and 37,318,612.50 is: 77,282,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,553.75 : 37,318,612.50 = 37,318,612.50 : x
  2. Step 2: Convert to fraction form
    18,020,553.75/37,318,612.50 = 37,318,612.50/x
  3. Step 3: Cross multiply
    18,020,553.75x = 37,318,612.50 × 37,318,612.50
  4. Step 4: Simplify right side
    18,020,553.75x = 1,392,678,838,925,156.25
  5. Step 5: Solve for x
    x = 1,392,678,838,925,156.25/18,020,553.75
  6. Step 6: Final answer
    x = 77,282,799.31

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.