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Finding the Third Proportional to 10,187,311.50 and 15,412,207.50

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Solution

The third proportional to 10,187,311.50 and 15,412,207.50 is: 23,316,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187,311.50 : 15,412,207.50 = 15,412,207.50 : x
  2. Step 2: Convert to fraction form
    10,187,311.50/15,412,207.50 = 15,412,207.50/x
  3. Step 3: Cross multiply
    10,187,311.50x = 15,412,207.50 × 15,412,207.50
  4. Step 4: Simplify right side
    10,187,311.50x = 237,536,140,023,056.25
  5. Step 5: Solve for x
    x = 237,536,140,023,056.25/10,187,311.50
  6. Step 6: Final answer
    x = 23,316,862.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.