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Finding the Third Proportional to 7,979,000.25 and 12,636,492.25

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Solution

The third proportional to 7,979,000.25 and 12,636,492.25 is: 20,012,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,000.25 : 12,636,492.25 = 12,636,492.25 : x
  2. Step 2: Convert to fraction form
    7,979,000.25/12,636,492.25 = 12,636,492.25/x
  3. Step 3: Cross multiply
    7,979,000.25x = 12,636,492.25 × 12,636,492.25
  4. Step 4: Simplify right side
    7,979,000.25x = 159,680,936,384,310.06
  5. Step 5: Solve for x
    x = 159,680,936,384,310.06/7,979,000.25
  6. Step 6: Final answer
    x = 20,012,649.63

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1.5x scale

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.