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Finding the Third Proportional to 20,716,360 and 31,362,328

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Solution

The third proportional to 20,716,360 and 31,362,328 is: 47,479,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,360 : 31,362,328 = 31,362,328 : x
  2. Step 2: Convert to fraction form
    20,716,360/31,362,328 = 31,362,328/x
  3. Step 3: Cross multiply
    20,716,360x = 31,362,328 × 31,362,328
  4. Step 4: Simplify right side
    20,716,360x = 983,595,617,579,584
  5. Step 5: Solve for x
    x = 983,595,617,579,584/20,716,360
  6. Step 6: Final answer
    x = 47,479,171.90

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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.