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Finding the Third Proportional to 21,127,618 and 45,868,883

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Solution

The third proportional to 21,127,618 and 45,868,883 is: 99,583,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,618 : 45,868,883 = 45,868,883 : x
  2. Step 2: Convert to fraction form
    21,127,618/45,868,883 = 45,868,883/x
  3. Step 3: Cross multiply
    21,127,618x = 45,868,883 × 45,868,883
  4. Step 4: Simplify right side
    21,127,618x = 2,103,954,427,667,689
  5. Step 5: Solve for x
    x = 2,103,954,427,667,689/21,127,618
  6. Step 6: Final answer
    x = 99,583,134.63

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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.