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Finding the Third Proportional to 19,230,128 and 28,785,288

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Solution

The third proportional to 19,230,128 and 28,785,288 is: 43,088,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230,128 : 28,785,288 = 28,785,288 : x
  2. Step 2: Convert to fraction form
    19,230,128/28,785,288 = 28,785,288/x
  3. Step 3: Cross multiply
    19,230,128x = 28,785,288 × 28,785,288
  4. Step 4: Simplify right side
    19,230,128x = 828,592,805,242,944
  5. Step 5: Solve for x
    x = 828,592,805,242,944/19,230,128
  6. Step 6: Final answer
    x = 43,088,262.61

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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.