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Finding the Third Proportional to 717,915 and 1,566,230

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Solution

The third proportional to 717,915 and 1,566,230 is: 3,416,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,915 : 1,566,230 = 1,566,230 : x
  2. Step 2: Convert to fraction form
    717,915/1,566,230 = 1,566,230/x
  3. Step 3: Cross multiply
    717,915x = 1,566,230 × 1,566,230
  4. Step 4: Simplify right side
    717,915x = 2,453,076,412,900
  5. Step 5: Solve for x
    x = 2,453,076,412,900/717,915
  6. Step 6: Final answer
    x = 3,416,945.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.