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Finding the Third Proportional to 999,775.50 and 1,428,670.50

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Solution

The third proportional to 999,775.50 and 1,428,670.50 is: 2,041,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,775.50 : 1,428,670.50 = 1,428,670.50 : x
  2. Step 2: Convert to fraction form
    999,775.50/1,428,670.50 = 1,428,670.50/x
  3. Step 3: Cross multiply
    999,775.50x = 1,428,670.50 × 1,428,670.50
  4. Step 4: Simplify right side
    999,775.50x = 2,041,099,397,570.25
  5. Step 5: Solve for x
    x = 2,041,099,397,570.25/999,775.50
  6. Step 6: Final answer
    x = 2,041,557.73

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.