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Finding the Third Proportional to 8,506,768.50 and 18,666,909

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Solution

The third proportional to 8,506,768.50 and 18,666,909 is: 40,961,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,768.50 : 18,666,909 = 18,666,909 : x
  2. Step 2: Convert to fraction form
    8,506,768.50/18,666,909 = 18,666,909/x
  3. Step 3: Cross multiply
    8,506,768.50x = 18,666,909 × 18,666,909
  4. Step 4: Simplify right side
    8,506,768.50x = 348,453,491,614,281
  5. Step 5: Solve for x
    x = 348,453,491,614,281/8,506,768.50
  6. Step 6: Final answer
    x = 40,961,910.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.