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Finding the Third Proportional to 1,913,520 and 2,961,000

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Solution

The third proportional to 1,913,520 and 2,961,000 is: 4,581,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,520 : 2,961,000 = 2,961,000 : x
  2. Step 2: Convert to fraction form
    1,913,520/2,961,000 = 2,961,000/x
  3. Step 3: Cross multiply
    1,913,520x = 2,961,000 × 2,961,000
  4. Step 4: Simplify right side
    1,913,520x = 8,767,521,000,000
  5. Step 5: Solve for x
    x = 8,767,521,000,000/1,913,520
  6. Step 6: Final answer
    x = 4,581,881.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.