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Finding the Third Proportional to 535,663.13 and 829,009.69

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Solution

The third proportional to 535,663.13 and 829,009.69 is: 1,283,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,663.13 : 829,009.69 = 829,009.69 : x
  2. Step 2: Convert to fraction form
    535,663.13/829,009.69 = 829,009.69/x
  3. Step 3: Cross multiply
    535,663.13x = 829,009.69 × 829,009.69
  4. Step 4: Simplify right side
    535,663.13x = 687,257,061,968.85
  5. Step 5: Solve for x
    x = 687,257,061,968.85/535,663.13
  6. Step 6: Final answer
    x = 1,283,002.38

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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.