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Finding the Third Proportional to 666,324 and 1,439,037.75

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Solution

The third proportional to 666,324 and 1,439,037.75 is: 3,107,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,324 : 1,439,037.75 = 1,439,037.75 : x
  2. Step 2: Convert to fraction form
    666,324/1,439,037.75 = 1,439,037.75/x
  3. Step 3: Cross multiply
    666,324x = 1,439,037.75 × 1,439,037.75
  4. Step 4: Simplify right side
    666,324x = 2,070,829,645,925.06
  5. Step 5: Solve for x
    x = 2,070,829,645,925.06/666,324
  6. Step 6: Final answer
    x = 3,107,841.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.