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Finding the Third Proportional to 79,789,140 and 169,186,122

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Solution

The third proportional to 79,789,140 and 169,186,122 is: 358,744,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,789,140 : 169,186,122 = 169,186,122 : x
  2. Step 2: Convert to fraction form
    79,789,140/169,186,122 = 169,186,122/x
  3. Step 3: Cross multiply
    79,789,140x = 169,186,122 × 169,186,122
  4. Step 4: Simplify right side
    79,789,140x = 28,623,943,877,398,884
  5. Step 5: Solve for x
    x = 28,623,943,877,398,884/79,789,140
  6. Step 6: Final answer
    x = 358,744,860.23

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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.