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Finding the Third Proportional to 1,995,967.13 and 3,126,991.50

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Solution

The third proportional to 1,995,967.13 and 3,126,991.50 is: 4,898,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,967.13 : 3,126,991.50 = 3,126,991.50 : x
  2. Step 2: Convert to fraction form
    1,995,967.13/3,126,991.50 = 3,126,991.50/x
  3. Step 3: Cross multiply
    1,995,967.13x = 3,126,991.50 × 3,126,991.50
  4. Step 4: Simplify right side
    1,995,967.13x = 9,778,075,841,072.25
  5. Step 5: Solve for x
    x = 9,778,075,841,072.25/1,995,967.13
  6. Step 6: Final answer
    x = 4,898,916.28

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.