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Finding the Third Proportional to 688,310 and 1,476,236

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Solution

The third proportional to 688,310 and 1,476,236 is: 3,166,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,310 : 1,476,236 = 1,476,236 : x
  2. Step 2: Convert to fraction form
    688,310/1,476,236 = 1,476,236/x
  3. Step 3: Cross multiply
    688,310x = 1,476,236 × 1,476,236
  4. Step 4: Simplify right side
    688,310x = 2,179,272,727,696
  5. Step 5: Solve for x
    x = 2,179,272,727,696/688,310
  6. Step 6: Final answer
    x = 3,166,120.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.