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Finding the Third Proportional to 294,890,886 and 638,851,482

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Solution

The third proportional to 294,890,886 and 638,851,482 is: 1,384,007,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,890,886 : 638,851,482 = 638,851,482 : x
  2. Step 2: Convert to fraction form
    294,890,886/638,851,482 = 638,851,482/x
  3. Step 3: Cross multiply
    294,890,886x = 638,851,482 × 638,851,482
  4. Step 4: Simplify right side
    294,890,886x = 408,131,216,053,596,352
  5. Step 5: Solve for x
    x = 408,131,216,053,596,352/294,890,886
  6. Step 6: Final answer
    x = 1,384,007,561.54

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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.