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Finding the Third Proportional to 19,873,320 and 28,126,476

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Solution

The third proportional to 19,873,320 and 28,126,476 is: 39,807,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873,320 : 28,126,476 = 28,126,476 : x
  2. Step 2: Convert to fraction form
    19,873,320/28,126,476 = 28,126,476/x
  3. Step 3: Cross multiply
    19,873,320x = 28,126,476 × 28,126,476
  4. Step 4: Simplify right side
    19,873,320x = 791,098,652,178,576
  5. Step 5: Solve for x
    x = 791,098,652,178,576/19,873,320
  6. Step 6: Final answer
    x = 39,807,070.59

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.