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Finding the Third Proportional to 990,010.69 and 1,487,203.03

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Solution

The third proportional to 990,010.69 and 1,487,203.03 is: 2,234,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,010.69 : 1,487,203.03 = 1,487,203.03 : x
  2. Step 2: Convert to fraction form
    990,010.69/1,487,203.03 = 1,487,203.03/x
  3. Step 3: Cross multiply
    990,010.69x = 1,487,203.03 × 1,487,203.03
  4. Step 4: Simplify right side
    990,010.69x = 2,211,772,856,159.19
  5. Step 5: Solve for x
    x = 2,211,772,856,159.19/990,010.69
  6. Step 6: Final answer
    x = 2,234,089.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.