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Finding the Third Proportional to 79,655,979 and 120,216,735

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Solution

The third proportional to 79,655,979 and 120,216,735 is: 181,430,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655,979 : 120,216,735 = 120,216,735 : x
  2. Step 2: Convert to fraction form
    79,655,979/120,216,735 = 120,216,735/x
  3. Step 3: Cross multiply
    79,655,979x = 120,216,735 × 120,216,735
  4. Step 4: Simplify right side
    79,655,979x = 14,452,063,374,060,224
  5. Step 5: Solve for x
    x = 14,452,063,374,060,224/79,655,979
  6. Step 6: Final answer
    x = 181,430,993.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.