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Finding the Third Proportional to 19,687,557 and 30,813,645

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Solution

The third proportional to 19,687,557 and 30,813,645 is: 48,227,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687,557 : 30,813,645 = 30,813,645 : x
  2. Step 2: Convert to fraction form
    19,687,557/30,813,645 = 30,813,645/x
  3. Step 3: Cross multiply
    19,687,557x = 30,813,645 × 30,813,645
  4. Step 4: Simplify right side
    19,687,557x = 949,480,718,186,025
  5. Step 5: Solve for x
    x = 949,480,718,186,025/19,687,557
  6. Step 6: Final answer
    x = 48,227,452.40

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.