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Finding the Third Proportional to 749,979 and 1,161,580.50

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Solution

The third proportional to 749,979 and 1,161,580.50 is: 1,799,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,979 : 1,161,580.50 = 1,161,580.50 : x
  2. Step 2: Convert to fraction form
    749,979/1,161,580.50 = 1,161,580.50/x
  3. Step 3: Cross multiply
    749,979x = 1,161,580.50 × 1,161,580.50
  4. Step 4: Simplify right side
    749,979x = 1,349,269,257,980.25
  5. Step 5: Solve for x
    x = 1,349,269,257,980.25/749,979
  6. Step 6: Final answer
    x = 1,799,076.05

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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.