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Finding the Third Proportional to 1,885,655.32 and 2,987,860.61

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Solution

The third proportional to 1,885,655.32 and 2,987,860.61 is: 4,734,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,655.32 : 2,987,860.61 = 2,987,860.61 : x
  2. Step 2: Convert to fraction form
    1,885,655.32/2,987,860.61 = 2,987,860.61/x
  3. Step 3: Cross multiply
    1,885,655.32x = 2,987,860.61 × 2,987,860.61
  4. Step 4: Simplify right side
    1,885,655.32x = 8,927,310,997,712.38
  5. Step 5: Solve for x
    x = 8,927,310,997,712.38/1,885,655.32
  6. Step 6: Final answer
    x = 4,734,328.11

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.