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Finding the Third Proportional to 15,618,810 and 31,998,640

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Solution

The third proportional to 15,618,810 and 31,998,640 is: 65,556,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,810 : 31,998,640 = 31,998,640 : x
  2. Step 2: Convert to fraction form
    15,618,810/31,998,640 = 31,998,640/x
  3. Step 3: Cross multiply
    15,618,810x = 31,998,640 × 31,998,640
  4. Step 4: Simplify right side
    15,618,810x = 1,023,912,961,849,600
  5. Step 5: Solve for x
    x = 1,023,912,961,849,600/15,618,810
  6. Step 6: Final answer
    x = 65,556,400.38

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.