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Finding the Third Proportional to 3,892,473 and 8,360,329.50

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Solution

The third proportional to 3,892,473 and 8,360,329.50 is: 17,956,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,473 : 8,360,329.50 = 8,360,329.50 : x
  2. Step 2: Convert to fraction form
    3,892,473/8,360,329.50 = 8,360,329.50/x
  3. Step 3: Cross multiply
    3,892,473x = 8,360,329.50 × 8,360,329.50
  4. Step 4: Simplify right side
    3,892,473x = 69,895,109,348,570.25
  5. Step 5: Solve for x
    x = 69,895,109,348,570.25/3,892,473
  6. Step 6: Final answer
    x = 17,956,478.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.