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Finding the Third Proportional to 673,690.50 and 1,461,810.38

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Solution

The third proportional to 673,690.50 and 1,461,810.38 is: 3,171,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,690.50 : 1,461,810.38 = 1,461,810.38 : x
  2. Step 2: Convert to fraction form
    673,690.50/1,461,810.38 = 1,461,810.38/x
  3. Step 3: Cross multiply
    673,690.50x = 1,461,810.38 × 1,461,810.38
  4. Step 4: Simplify right side
    673,690.50x = 2,136,889,572,457.64
  5. Step 5: Solve for x
    x = 2,136,889,572,457.64/673,690.50
  6. Step 6: Final answer
    x = 3,171,915.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.