Home / 78,211,946.25-118,324,364.63

Finding the Third Proportional to 78,211,946.25 and 118,324,364.63

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Solution

The third proportional to 78,211,946.25 and 118,324,364.63 is: 179,009,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,211,946.25 : 118,324,364.63 = 118,324,364.63 : x
  2. Step 2: Convert to fraction form
    78,211,946.25/118,324,364.63 = 118,324,364.63/x
  3. Step 3: Cross multiply
    78,211,946.25x = 118,324,364.63 × 118,324,364.63
  4. Step 4: Simplify right side
    78,211,946.25x = 14,000,655,263,909,952
  5. Step 5: Solve for x
    x = 14,000,655,263,909,952/78,211,946.25
  6. Step 6: Final answer
    x = 179,009,165.93

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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.