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Finding the Third Proportional to 20,174,640 and 43,778,640

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Solution

The third proportional to 20,174,640 and 43,778,640 is: 94,998,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,640 : 43,778,640 = 43,778,640 : x
  2. Step 2: Convert to fraction form
    20,174,640/43,778,640 = 43,778,640/x
  3. Step 3: Cross multiply
    20,174,640x = 43,778,640 × 43,778,640
  4. Step 4: Simplify right side
    20,174,640x = 1,916,569,320,249,600
  5. Step 5: Solve for x
    x = 1,916,569,320,249,600/20,174,640
  6. Step 6: Final answer
    x = 94,998,935.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.