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Finding the Third Proportional to 668,305 and 1,034,119.50

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Solution

The third proportional to 668,305 and 1,034,119.50 is: 1,600,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,305 : 1,034,119.50 = 1,034,119.50 : x
  2. Step 2: Convert to fraction form
    668,305/1,034,119.50 = 1,034,119.50/x
  3. Step 3: Cross multiply
    668,305x = 1,034,119.50 × 1,034,119.50
  4. Step 4: Simplify right side
    668,305x = 1,069,403,140,280.25
  5. Step 5: Solve for x
    x = 1,069,403,140,280.25/668,305
  6. Step 6: Final answer
    x = 1,600,172.29

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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.