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Finding the Third Proportional to 107,862,320 and 235,903,990

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Solution

The third proportional to 107,862,320 and 235,903,990 is: 515,941,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,862,320 : 235,903,990 = 235,903,990 : x
  2. Step 2: Convert to fraction form
    107,862,320/235,903,990 = 235,903,990/x
  3. Step 3: Cross multiply
    107,862,320x = 235,903,990 × 235,903,990
  4. Step 4: Simplify right side
    107,862,320x = 55,650,692,497,920,096
  5. Step 5: Solve for x
    x = 55,650,692,497,920,096/107,862,320
  6. Step 6: Final answer
    x = 515,941,920.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.