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Finding the Third Proportional to 498,220.88 and 773,580.38

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Solution

The third proportional to 498,220.88 and 773,580.38 is: 1,201,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,220.88 : 773,580.38 = 773,580.38 : x
  2. Step 2: Convert to fraction form
    498,220.88/773,580.38 = 773,580.38/x
  3. Step 3: Cross multiply
    498,220.88x = 773,580.38 × 773,580.38
  4. Step 4: Simplify right side
    498,220.88x = 598,426,596,585.14
  5. Step 5: Solve for x
    x = 598,426,596,585.14/498,220.88
  6. Step 6: Final answer
    x = 1,201,127.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.