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Finding the Third Proportional to 68,957,028 and 150,020,851.50

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Solution

The third proportional to 68,957,028 and 150,020,851.50 is: 326,380,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,957,028 : 150,020,851.50 = 150,020,851.50 : x
  2. Step 2: Convert to fraction form
    68,957,028/150,020,851.50 = 150,020,851.50/x
  3. Step 3: Cross multiply
    68,957,028x = 150,020,851.50 × 150,020,851.50
  4. Step 4: Simplify right side
    68,957,028x = 22,506,255,884,785,052
  5. Step 5: Solve for x
    x = 22,506,255,884,785,052/68,957,028
  6. Step 6: Final answer
    x = 326,380,885.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.