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Finding the Third Proportional to 1,445,878.50 and 3,140,658

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Solution

The third proportional to 1,445,878.50 and 3,140,658 is: 6,821,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,878.50 : 3,140,658 = 3,140,658 : x
  2. Step 2: Convert to fraction form
    1,445,878.50/3,140,658 = 3,140,658/x
  3. Step 3: Cross multiply
    1,445,878.50x = 3,140,658 × 3,140,658
  4. Step 4: Simplify right side
    1,445,878.50x = 9,863,732,672,964
  5. Step 5: Solve for x
    x = 9,863,732,672,964/1,445,878.50
  6. Step 6: Final answer
    x = 6,821,965.10

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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.