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Finding the Third Proportional to 2,931,154.88 and 6,458,636.25

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Solution

The third proportional to 2,931,154.88 and 6,458,636.25 is: 14,231,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,154.88 : 6,458,636.25 = 6,458,636.25 : x
  2. Step 2: Convert to fraction form
    2,931,154.88/6,458,636.25 = 6,458,636.25/x
  3. Step 3: Cross multiply
    2,931,154.88x = 6,458,636.25 × 6,458,636.25
  4. Step 4: Simplify right side
    2,931,154.88x = 41,713,982,209,814.06
  5. Step 5: Solve for x
    x = 41,713,982,209,814.06/2,931,154.88
  6. Step 6: Final answer
    x = 14,231,244.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.