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Finding the Third Proportional to 7,979,001 and 12,636,492.75

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Solution

The third proportional to 7,979,001 and 12,636,492.75 is: 20,012,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,001 : 12,636,492.75 = 12,636,492.75 : x
  2. Step 2: Convert to fraction form
    7,979,001/12,636,492.75 = 12,636,492.75/x
  3. Step 3: Cross multiply
    7,979,001x = 12,636,492.75 × 12,636,492.75
  4. Step 4: Simplify right side
    7,979,001x = 159,680,949,020,802.56
  5. Step 5: Solve for x
    x = 159,680,949,020,802.56/7,979,001
  6. Step 6: Final answer
    x = 20,012,649.33

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.