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Finding the Third Proportional to 1,310,220.56 and 2,777,905.13

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Solution

The third proportional to 1,310,220.56 and 2,777,905.13 is: 5,889,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,220.56 : 2,777,905.13 = 2,777,905.13 : x
  2. Step 2: Convert to fraction form
    1,310,220.56/2,777,905.13 = 2,777,905.13/x
  3. Step 3: Cross multiply
    1,310,220.56x = 2,777,905.13 × 2,777,905.13
  4. Step 4: Simplify right side
    1,310,220.56x = 7,716,756,883,501.27
  5. Step 5: Solve for x
    x = 7,716,756,883,501.27/1,310,220.56
  6. Step 6: Final answer
    x = 5,889,662.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.