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Finding the Third Proportional to 20,140,688 and 30,378,252

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Solution

The third proportional to 20,140,688 and 30,378,252 is: 45,819,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,688 : 30,378,252 = 30,378,252 : x
  2. Step 2: Convert to fraction form
    20,140,688/30,378,252 = 30,378,252/x
  3. Step 3: Cross multiply
    20,140,688x = 30,378,252 × 30,378,252
  4. Step 4: Simplify right side
    20,140,688x = 922,838,194,575,504
  5. Step 5: Solve for x
    x = 922,838,194,575,504/20,140,688
  6. Step 6: Final answer
    x = 45,819,596.36

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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.