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Finding the Third Proportional to 535,280.25 and 788,134.50

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Solution

The third proportional to 535,280.25 and 788,134.50 is: 1,160,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,280.25 : 788,134.50 = 788,134.50 : x
  2. Step 2: Convert to fraction form
    535,280.25/788,134.50 = 788,134.50/x
  3. Step 3: Cross multiply
    535,280.25x = 788,134.50 × 788,134.50
  4. Step 4: Simplify right side
    535,280.25x = 621,155,990,090.25
  5. Step 5: Solve for x
    x = 621,155,990,090.25/535,280.25
  6. Step 6: Final answer
    x = 1,160,431.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.