Home / 10,912,070.67-15,172,363.76

Finding the Third Proportional to 10,912,070.67 and 15,172,363.76

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Solution

The third proportional to 10,912,070.67 and 15,172,363.76 is: 21,095,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912,070.67 : 15,172,363.76 = 15,172,363.76 : x
  2. Step 2: Convert to fraction form
    10,912,070.67/15,172,363.76 = 15,172,363.76/x
  3. Step 3: Cross multiply
    10,912,070.67x = 15,172,363.76 × 15,172,363.76
  4. Step 4: Simplify right side
    10,912,070.67x = 230,200,621,999,367.09
  5. Step 5: Solve for x
    x = 230,200,621,999,367.09/10,912,070.67
  6. Step 6: Final answer
    x = 21,095,961.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.