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Finding the Third Proportional to 1,988,501 and 2,811,031.50

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Solution

The third proportional to 1,988,501 and 2,811,031.50 is: 3,973,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,501 : 2,811,031.50 = 2,811,031.50 : x
  2. Step 2: Convert to fraction form
    1,988,501/2,811,031.50 = 2,811,031.50/x
  3. Step 3: Cross multiply
    1,988,501x = 2,811,031.50 × 2,811,031.50
  4. Step 4: Simplify right side
    1,988,501x = 7,901,898,093,992.25
  5. Step 5: Solve for x
    x = 7,901,898,093,992.25/1,988,501
  6. Step 6: Final answer
    x = 3,973,796.39

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.