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Finding the Third Proportional to 18,528,076 and 40,245,685

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Solution

The third proportional to 18,528,076 and 40,245,685 is: 87,419,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,076 : 40,245,685 = 40,245,685 : x
  2. Step 2: Convert to fraction form
    18,528,076/40,245,685 = 40,245,685/x
  3. Step 3: Cross multiply
    18,528,076x = 40,245,685 × 40,245,685
  4. Step 4: Simplify right side
    18,528,076x = 1,619,715,161,119,225
  5. Step 5: Solve for x
    x = 1,619,715,161,119,225/18,528,076
  6. Step 6: Final answer
    x = 87,419,501.15

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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.