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Finding the Third Proportional to 72,717,725 and 161,577,765

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Solution

The third proportional to 72,717,725 and 161,577,765 is: 359,023,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,717,725 : 161,577,765 = 161,577,765 : x
  2. Step 2: Convert to fraction form
    72,717,725/161,577,765 = 161,577,765/x
  3. Step 3: Cross multiply
    72,717,725x = 161,577,765 × 161,577,765
  4. Step 4: Simplify right side
    72,717,725x = 26,107,374,142,395,224
  5. Step 5: Solve for x
    x = 26,107,374,142,395,224/72,717,725
  6. Step 6: Final answer
    x = 359,023,527.52

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.