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Finding the Third Proportional to 559,389 and 1,207,230

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Solution

The third proportional to 559,389 and 1,207,230 is: 2,605,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,389 : 1,207,230 = 1,207,230 : x
  2. Step 2: Convert to fraction form
    559,389/1,207,230 = 1,207,230/x
  3. Step 3: Cross multiply
    559,389x = 1,207,230 × 1,207,230
  4. Step 4: Simplify right side
    559,389x = 1,457,404,272,900
  5. Step 5: Solve for x
    x = 1,457,404,272,900/559,389
  6. Step 6: Final answer
    x = 2,605,350.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.