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Finding the Third Proportional to 18,440,581.50 and 27,062,970.75

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Solution

The third proportional to 18,440,581.50 and 27,062,970.75 is: 39,716,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,581.50 : 27,062,970.75 = 27,062,970.75 : x
  2. Step 2: Convert to fraction form
    18,440,581.50/27,062,970.75 = 27,062,970.75/x
  3. Step 3: Cross multiply
    18,440,581.50x = 27,062,970.75 × 27,062,970.75
  4. Step 4: Simplify right side
    18,440,581.50x = 732,404,385,815,355.50
  5. Step 5: Solve for x
    x = 732,404,385,815,355.50/18,440,581.50
  6. Step 6: Final answer
    x = 39,716,989.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.