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Finding the Third Proportional to 161,713,820 and 351,761,556

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Solution

The third proportional to 161,713,820 and 351,761,556 is: 765,155,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713,820 : 351,761,556 = 351,761,556 : x
  2. Step 2: Convert to fraction form
    161,713,820/351,761,556 = 351,761,556/x
  3. Step 3: Cross multiply
    161,713,820x = 351,761,556 × 351,761,556
  4. Step 4: Simplify right side
    161,713,820x = 123,736,192,279,541,136
  5. Step 5: Solve for x
    x = 123,736,192,279,541,136/161,713,820
  6. Step 6: Final answer
    x = 765,155,336.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.