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Finding the Third Proportional to 77,489,018 and 170,092,276

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Solution

The third proportional to 77,489,018 and 170,092,276 is: 373,361,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,489,018 : 170,092,276 = 170,092,276 : x
  2. Step 2: Convert to fraction form
    77,489,018/170,092,276 = 170,092,276/x
  3. Step 3: Cross multiply
    77,489,018x = 170,092,276 × 170,092,276
  4. Step 4: Simplify right side
    77,489,018x = 28,931,382,354,860,176
  5. Step 5: Solve for x
    x = 28,931,382,354,860,176/77,489,018
  6. Step 6: Final answer
    x = 373,361,065.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.