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Finding the Third Proportional to 7,459,905 and 11,553,990

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Solution

The third proportional to 7,459,905 and 11,553,990 is: 17,894,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,905 : 11,553,990 = 11,553,990 : x
  2. Step 2: Convert to fraction form
    7,459,905/11,553,990 = 11,553,990/x
  3. Step 3: Cross multiply
    7,459,905x = 11,553,990 × 11,553,990
  4. Step 4: Simplify right side
    7,459,905x = 133,494,684,920,100
  5. Step 5: Solve for x
    x = 133,494,684,920,100/7,459,905
  6. Step 6: Final answer
    x = 17,894,957.77

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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.