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Finding the Third Proportional to 45,482,987 and 74,261,775

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Solution

The third proportional to 45,482,987 and 74,261,775 is: 121,249,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,482,987 : 74,261,775 = 74,261,775 : x
  2. Step 2: Convert to fraction form
    45,482,987/74,261,775 = 74,261,775/x
  3. Step 3: Cross multiply
    45,482,987x = 74,261,775 × 74,261,775
  4. Step 4: Simplify right side
    45,482,987x = 5,514,811,226,150,625
  5. Step 5: Solve for x
    x = 5,514,811,226,150,625/45,482,987
  6. Step 6: Final answer
    x = 121,249,979.17

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.