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Finding the Third Proportional to 8,527,387.50 and 13,120,437

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Solution

The third proportional to 8,527,387.50 and 13,120,437 is: 20,187,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,387.50 : 13,120,437 = 13,120,437 : x
  2. Step 2: Convert to fraction form
    8,527,387.50/13,120,437 = 13,120,437/x
  3. Step 3: Cross multiply
    8,527,387.50x = 13,120,437 × 13,120,437
  4. Step 4: Simplify right side
    8,527,387.50x = 172,145,867,070,969
  5. Step 5: Solve for x
    x = 172,145,867,070,969/8,527,387.50
  6. Step 6: Final answer
    x = 20,187,409.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.