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Finding the Third Proportional to 297,386,862 and 418,046,787

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Solution

The third proportional to 297,386,862 and 418,046,787 is: 587,662,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,386,862 : 418,046,787 = 418,046,787 : x
  2. Step 2: Convert to fraction form
    297,386,862/418,046,787 = 418,046,787/x
  3. Step 3: Cross multiply
    297,386,862x = 418,046,787 × 418,046,787
  4. Step 4: Simplify right side
    297,386,862x = 174,763,116,121,023,360
  5. Step 5: Solve for x
    x = 174,763,116,121,023,360/297,386,862
  6. Step 6: Final answer
    x = 587,662,531.38

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.