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Finding the Third Proportional to 15,469,809.75 and 32,210,430.75

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Solution

The third proportional to 15,469,809.75 and 32,210,430.75 is: 67,066,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,809.75 : 32,210,430.75 = 32,210,430.75 : x
  2. Step 2: Convert to fraction form
    15,469,809.75/32,210,430.75 = 32,210,430.75/x
  3. Step 3: Cross multiply
    15,469,809.75x = 32,210,430.75 × 32,210,430.75
  4. Step 4: Simplify right side
    15,469,809.75x = 1,037,511,849,100,545.50
  5. Step 5: Solve for x
    x = 1,037,511,849,100,545.50/15,469,809.75
  6. Step 6: Final answer
    x = 67,066,878.38

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.