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Finding the Third Proportional to 312,402,174 and 650,661,689

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Solution

The third proportional to 312,402,174 and 650,661,689 is: 1,355,178,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,402,174 : 650,661,689 = 650,661,689 : x
  2. Step 2: Convert to fraction form
    312,402,174/650,661,689 = 650,661,689/x
  3. Step 3: Cross multiply
    312,402,174x = 650,661,689 × 650,661,689
  4. Step 4: Simplify right side
    312,402,174x = 423,360,633,532,332,736
  5. Step 5: Solve for x
    x = 423,360,633,532,332,736/312,402,174
  6. Step 6: Final answer
    x = 1,355,178,256.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.