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Finding the Third Proportional to 27,866,820 and 42,220,134

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Solution

The third proportional to 27,866,820 and 42,220,134 is: 63,966,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,820 : 42,220,134 = 42,220,134 : x
  2. Step 2: Convert to fraction form
    27,866,820/42,220,134 = 42,220,134/x
  3. Step 3: Cross multiply
    27,866,820x = 42,220,134 × 42,220,134
  4. Step 4: Simplify right side
    27,866,820x = 1,782,539,714,977,956
  5. Step 5: Solve for x
    x = 1,782,539,714,977,956/27,866,820
  6. Step 6: Final answer
    x = 63,966,384.22

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.