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Finding the Third Proportional to 169,478,740 and 359,296,272

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Solution

The third proportional to 169,478,740 and 359,296,272 is: 761,710,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,478,740 : 359,296,272 = 359,296,272 : x
  2. Step 2: Convert to fraction form
    169,478,740/359,296,272 = 359,296,272/x
  3. Step 3: Cross multiply
    169,478,740x = 359,296,272 × 359,296,272
  4. Step 4: Simplify right side
    169,478,740x = 129,093,811,073,097,984
  5. Step 5: Solve for x
    x = 129,093,811,073,097,984/169,478,740
  6. Step 6: Final answer
    x = 761,710,944.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.