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Finding the Third Proportional to 5,540,643 and 8,851,437

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Solution

The third proportional to 5,540,643 and 8,851,437 is: 14,140,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540,643 : 8,851,437 = 8,851,437 : x
  2. Step 2: Convert to fraction form
    5,540,643/8,851,437 = 8,851,437/x
  3. Step 3: Cross multiply
    5,540,643x = 8,851,437 × 8,851,437
  4. Step 4: Simplify right side
    5,540,643x = 78,347,936,964,969
  5. Step 5: Solve for x
    x = 78,347,936,964,969/5,540,643
  6. Step 6: Final answer
    x = 14,140,585.66

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.