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Finding the Third Proportional to 78,960,174.75 and 122,746,203

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Solution

The third proportional to 78,960,174.75 and 122,746,203 is: 190,813,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,960,174.75 : 122,746,203 = 122,746,203 : x
  2. Step 2: Convert to fraction form
    78,960,174.75/122,746,203 = 122,746,203/x
  3. Step 3: Cross multiply
    78,960,174.75x = 122,746,203 × 122,746,203
  4. Step 4: Simplify right side
    78,960,174.75x = 15,066,630,350,917,208
  5. Step 5: Solve for x
    x = 15,066,630,350,917,208/78,960,174.75
  6. Step 6: Final answer
    x = 190,813,032.00

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.