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Finding the Third Proportional to 724,379.20 and 1,573,307.30

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Solution

The third proportional to 724,379.20 and 1,573,307.30 is: 3,417,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,379.20 : 1,573,307.30 = 1,573,307.30 : x
  2. Step 2: Convert to fraction form
    724,379.20/1,573,307.30 = 1,573,307.30/x
  3. Step 3: Cross multiply
    724,379.20x = 1,573,307.30 × 1,573,307.30
  4. Step 4: Simplify right side
    724,379.20x = 2,475,295,850,400.12
  5. Step 5: Solve for x
    x = 2,475,295,850,400.12/724,379.20
  6. Step 6: Final answer
    x = 3,417,127.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.