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Finding the Third Proportional to 529,579 and 740,800.50

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Solution

The third proportional to 529,579 and 740,800.50 is: 1,036,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,579 : 740,800.50 = 740,800.50 : x
  2. Step 2: Convert to fraction form
    529,579/740,800.50 = 740,800.50/x
  3. Step 3: Cross multiply
    529,579x = 740,800.50 × 740,800.50
  4. Step 4: Simplify right side
    529,579x = 548,785,380,800.25
  5. Step 5: Solve for x
    x = 548,785,380,800.25/529,579
  6. Step 6: Final answer
    x = 1,036,267.26

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.