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Finding the Third Proportional to 688,024 and 1,554,420

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Solution

The third proportional to 688,024 and 1,554,420 is: 3,511,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,024 : 1,554,420 = 1,554,420 : x
  2. Step 2: Convert to fraction form
    688,024/1,554,420 = 1,554,420/x
  3. Step 3: Cross multiply
    688,024x = 1,554,420 × 1,554,420
  4. Step 4: Simplify right side
    688,024x = 2,416,221,536,400
  5. Step 5: Solve for x
    x = 2,416,221,536,400/688,024
  6. Step 6: Final answer
    x = 3,511,827.40

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.