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Finding the Third Proportional to 217,487,244 and 329,389,656

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Solution

The third proportional to 217,487,244 and 329,389,656 is: 498,868,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,487,244 : 329,389,656 = 329,389,656 : x
  2. Step 2: Convert to fraction form
    217,487,244/329,389,656 = 329,389,656/x
  3. Step 3: Cross multiply
    217,487,244x = 329,389,656 × 329,389,656
  4. Step 4: Simplify right side
    217,487,244x = 108,497,545,479,798,336
  5. Step 5: Solve for x
    x = 108,497,545,479,798,336/217,487,244
  6. Step 6: Final answer
    x = 498,868,547.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.