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Finding the Third Proportional to 688,026 and 1,554,430

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Solution

The third proportional to 688,026 and 1,554,430 is: 3,511,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,026 : 1,554,430 = 1,554,430 : x
  2. Step 2: Convert to fraction form
    688,026/1,554,430 = 1,554,430/x
  3. Step 3: Cross multiply
    688,026x = 1,554,430 × 1,554,430
  4. Step 4: Simplify right side
    688,026x = 2,416,252,624,900
  5. Step 5: Solve for x
    x = 2,416,252,624,900/688,026
  6. Step 6: Final answer
    x = 3,511,862.38

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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.