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Finding the Third Proportional to 79,155,729 and 121,087,588.50

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Solution

The third proportional to 79,155,729 and 121,087,588.50 is: 185,232,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155,729 : 121,087,588.50 = 121,087,588.50 : x
  2. Step 2: Convert to fraction form
    79,155,729/121,087,588.50 = 121,087,588.50/x
  3. Step 3: Cross multiply
    79,155,729x = 121,087,588.50 × 121,087,588.50
  4. Step 4: Simplify right side
    79,155,729x = 14,662,204,088,745,332
  5. Step 5: Solve for x
    x = 14,662,204,088,745,332/79,155,729
  6. Step 6: Final answer
    x = 185,232,380.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.