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Finding the Third Proportional to 6,207,619.50 and 9,688,612.50

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Solution

The third proportional to 6,207,619.50 and 9,688,612.50 is: 15,121,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207,619.50 : 9,688,612.50 = 9,688,612.50 : x
  2. Step 2: Convert to fraction form
    6,207,619.50/9,688,612.50 = 9,688,612.50/x
  3. Step 3: Cross multiply
    6,207,619.50x = 9,688,612.50 × 9,688,612.50
  4. Step 4: Simplify right side
    6,207,619.50x = 93,869,212,175,156.25
  5. Step 5: Solve for x
    x = 93,869,212,175,156.25/6,207,619.50
  6. Step 6: Final answer
    x = 15,121,611.78

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.