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Finding the Third Proportional to 172,679,712 and 265,689,046.50

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Solution

The third proportional to 172,679,712 and 265,689,046.50 is: 408,795,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,679,712 : 265,689,046.50 = 265,689,046.50 : x
  2. Step 2: Convert to fraction form
    172,679,712/265,689,046.50 = 265,689,046.50/x
  3. Step 3: Cross multiply
    172,679,712x = 265,689,046.50 × 265,689,046.50
  4. Step 4: Simplify right side
    172,679,712x = 70,590,669,430,079,160
  5. Step 5: Solve for x
    x = 70,590,669,430,079,160/172,679,712
  6. Step 6: Final answer
    x = 408,795,385.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.