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Finding the Third Proportional to 18,186,715.50 and 39,400,506

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Solution

The third proportional to 18,186,715.50 and 39,400,506 is: 85,359,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186,715.50 : 39,400,506 = 39,400,506 : x
  2. Step 2: Convert to fraction form
    18,186,715.50/39,400,506 = 39,400,506/x
  3. Step 3: Cross multiply
    18,186,715.50x = 39,400,506 × 39,400,506
  4. Step 4: Simplify right side
    18,186,715.50x = 1,552,399,873,056,036
  5. Step 5: Solve for x
    x = 1,552,399,873,056,036/18,186,715.50
  6. Step 6: Final answer
    x = 85,359,001.36

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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.