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Finding the Third Proportional to 19,156,287 and 28,706,380

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Solution

The third proportional to 19,156,287 and 28,706,380 is: 43,017,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,287 : 28,706,380 = 28,706,380 : x
  2. Step 2: Convert to fraction form
    19,156,287/28,706,380 = 28,706,380/x
  3. Step 3: Cross multiply
    19,156,287x = 28,706,380 × 28,706,380
  4. Step 4: Simplify right side
    19,156,287x = 824,056,252,704,400
  5. Step 5: Solve for x
    x = 824,056,252,704,400/19,156,287
  6. Step 6: Final answer
    x = 43,017,535.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.