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Finding the Third Proportional to 787,464 and 1,719,270

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Solution

The third proportional to 787,464 and 1,719,270 is: 3,753,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,464 : 1,719,270 = 1,719,270 : x
  2. Step 2: Convert to fraction form
    787,464/1,719,270 = 1,719,270/x
  3. Step 3: Cross multiply
    787,464x = 1,719,270 × 1,719,270
  4. Step 4: Simplify right side
    787,464x = 2,955,889,332,900
  5. Step 5: Solve for x
    x = 2,955,889,332,900/787,464
  6. Step 6: Final answer
    x = 3,753,681.86

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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.