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Finding the Third Proportional to 110,885,280 and 172,376,160

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Solution

The third proportional to 110,885,280 and 172,376,160 is: 267,966,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,885,280 : 172,376,160 = 172,376,160 : x
  2. Step 2: Convert to fraction form
    110,885,280/172,376,160 = 172,376,160/x
  3. Step 3: Cross multiply
    110,885,280x = 172,376,160 × 172,376,160
  4. Step 4: Simplify right side
    110,885,280x = 29,713,540,536,345,600
  5. Step 5: Solve for x
    x = 29,713,540,536,345,600/110,885,280
  6. Step 6: Final answer
    x = 267,966,501.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.