Home / 74,154,943.76-156,717,432.49

Finding the Third Proportional to 74,154,943.76 and 156,717,432.49

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Solution

The third proportional to 74,154,943.76 and 156,717,432.49 is: 331,203,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154,943.76 : 156,717,432.49 = 156,717,432.49 : x
  2. Step 2: Convert to fraction form
    74,154,943.76/156,717,432.49 = 156,717,432.49/x
  3. Step 3: Cross multiply
    74,154,943.76x = 156,717,432.49 × 156,717,432.49
  4. Step 4: Simplify right side
    74,154,943.76x = 24,560,353,646,940,992
  5. Step 5: Solve for x
    x = 24,560,353,646,940,992/74,154,943.76
  6. Step 6: Final answer
    x = 331,203,186.23

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.