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Finding the Third Proportional to 709,862 and 1,537,756

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Solution

The third proportional to 709,862 and 1,537,756 is: 3,331,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,862 : 1,537,756 = 1,537,756 : x
  2. Step 2: Convert to fraction form
    709,862/1,537,756 = 1,537,756/x
  3. Step 3: Cross multiply
    709,862x = 1,537,756 × 1,537,756
  4. Step 4: Simplify right side
    709,862x = 2,364,693,515,536
  5. Step 5: Solve for x
    x = 2,364,693,515,536/709,862
  6. Step 6: Final answer
    x = 3,331,201.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.