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Finding the Third Proportional to 19,148,328 and 40,986,480

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Solution

The third proportional to 19,148,328 and 40,986,480 is: 87,730,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148,328 : 40,986,480 = 40,986,480 : x
  2. Step 2: Convert to fraction form
    19,148,328/40,986,480 = 40,986,480/x
  3. Step 3: Cross multiply
    19,148,328x = 40,986,480 × 40,986,480
  4. Step 4: Simplify right side
    19,148,328x = 1,679,891,542,790,400
  5. Step 5: Solve for x
    x = 1,679,891,542,790,400/19,148,328
  6. Step 6: Final answer
    x = 87,730,455.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.