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Finding the Third Proportional to 1,374,240 and 2,139,883.50

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Solution

The third proportional to 1,374,240 and 2,139,883.50 is: 3,332,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,240 : 2,139,883.50 = 2,139,883.50 : x
  2. Step 2: Convert to fraction form
    1,374,240/2,139,883.50 = 2,139,883.50/x
  3. Step 3: Cross multiply
    1,374,240x = 2,139,883.50 × 2,139,883.50
  4. Step 4: Simplify right side
    1,374,240x = 4,579,101,393,572.25
  5. Step 5: Solve for x
    x = 4,579,101,393,572.25/1,374,240
  6. Step 6: Final answer
    x = 3,332,097.30

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.