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Finding the Third Proportional to 869,182 and 1,321,555.50

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Solution

The third proportional to 869,182 and 1,321,555.50 is: 2,009,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,182 : 1,321,555.50 = 1,321,555.50 : x
  2. Step 2: Convert to fraction form
    869,182/1,321,555.50 = 1,321,555.50/x
  3. Step 3: Cross multiply
    869,182x = 1,321,555.50 × 1,321,555.50
  4. Step 4: Simplify right side
    869,182x = 1,746,508,939,580.25
  5. Step 5: Solve for x
    x = 1,746,508,939,580.25/869,182
  6. Step 6: Final answer
    x = 2,009,370.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.