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Finding the Third Proportional to 724,760 and 1,705,316

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Solution

The third proportional to 724,760 and 1,705,316 is: 4,012,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,760 : 1,705,316 = 1,705,316 : x
  2. Step 2: Convert to fraction form
    724,760/1,705,316 = 1,705,316/x
  3. Step 3: Cross multiply
    724,760x = 1,705,316 × 1,705,316
  4. Step 4: Simplify right side
    724,760x = 2,908,102,659,856
  5. Step 5: Solve for x
    x = 2,908,102,659,856/724,760
  6. Step 6: Final answer
    x = 4,012,504.36

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.