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Finding the Third Proportional to 81,366,588 and 122,806,545

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Solution

The third proportional to 81,366,588 and 122,806,545 is: 185,351,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,366,588 : 122,806,545 = 122,806,545 : x
  2. Step 2: Convert to fraction form
    81,366,588/122,806,545 = 122,806,545/x
  3. Step 3: Cross multiply
    81,366,588x = 122,806,545 × 122,806,545
  4. Step 4: Simplify right side
    81,366,588x = 15,081,447,494,837,024
  5. Step 5: Solve for x
    x = 15,081,447,494,837,024/81,366,588
  6. Step 6: Final answer
    x = 185,351,848.54

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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.