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Finding the Third Proportional to 18,349,557.50 and 25,716,780.50

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Solution

The third proportional to 18,349,557.50 and 25,716,780.50 is: 36,041,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349,557.50 : 25,716,780.50 = 25,716,780.50 : x
  2. Step 2: Convert to fraction form
    18,349,557.50/25,716,780.50 = 25,716,780.50/x
  3. Step 3: Cross multiply
    18,349,557.50x = 25,716,780.50 × 25,716,780.50
  4. Step 4: Simplify right side
    18,349,557.50x = 661,352,799,285,180.25
  5. Step 5: Solve for x
    x = 661,352,799,285,180.25/18,349,557.50
  6. Step 6: Final answer
    x = 36,041,893.61

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.