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Finding the Third Proportional to 717,918 and 1,566,236

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Solution

The third proportional to 717,918 and 1,566,236 is: 3,416,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,918 : 1,566,236 = 1,566,236 : x
  2. Step 2: Convert to fraction form
    717,918/1,566,236 = 1,566,236/x
  3. Step 3: Cross multiply
    717,918x = 1,566,236 × 1,566,236
  4. Step 4: Simplify right side
    717,918x = 2,453,095,207,696
  5. Step 5: Solve for x
    x = 2,453,095,207,696/717,918
  6. Step 6: Final answer
    x = 3,416,957.38

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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.