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Finding the Third Proportional to 478,453.50 and 990,526.50

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Solution

The third proportional to 478,453.50 and 990,526.50 is: 2,050,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,453.50 : 990,526.50 = 990,526.50 : x
  2. Step 2: Convert to fraction form
    478,453.50/990,526.50 = 990,526.50/x
  3. Step 3: Cross multiply
    478,453.50x = 990,526.50 × 990,526.50
  4. Step 4: Simplify right side
    478,453.50x = 981,142,747,202.25
  5. Step 5: Solve for x
    x = 981,142,747,202.25/478,453.50
  6. Step 6: Final answer
    x = 2,050,654.34

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.