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Finding the Third Proportional to 693,808 and 1,513,356

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Solution

The third proportional to 693,808 and 1,513,356 is: 3,300,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,808 : 1,513,356 = 1,513,356 : x
  2. Step 2: Convert to fraction form
    693,808/1,513,356 = 1,513,356/x
  3. Step 3: Cross multiply
    693,808x = 1,513,356 × 1,513,356
  4. Step 4: Simplify right side
    693,808x = 2,290,246,382,736
  5. Step 5: Solve for x
    x = 2,290,246,382,736/693,808
  6. Step 6: Final answer
    x = 3,300,980.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.