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Finding the Third Proportional to 676,574 and 1,487,068

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Solution

The third proportional to 676,574 and 1,487,068 is: 3,268,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,574 : 1,487,068 = 1,487,068 : x
  2. Step 2: Convert to fraction form
    676,574/1,487,068 = 1,487,068/x
  3. Step 3: Cross multiply
    676,574x = 1,487,068 × 1,487,068
  4. Step 4: Simplify right side
    676,574x = 2,211,371,236,624
  5. Step 5: Solve for x
    x = 2,211,371,236,624/676,574
  6. Step 6: Final answer
    x = 3,268,483.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.