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Finding the Third Proportional to 5,381,574 and 8,271,646

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Solution

The third proportional to 5,381,574 and 8,271,646 is: 12,713,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,574 : 8,271,646 = 8,271,646 : x
  2. Step 2: Convert to fraction form
    5,381,574/8,271,646 = 8,271,646/x
  3. Step 3: Cross multiply
    5,381,574x = 8,271,646 × 8,271,646
  4. Step 4: Simplify right side
    5,381,574x = 68,420,127,549,316
  5. Step 5: Solve for x
    x = 68,420,127,549,316/5,381,574
  6. Step 6: Final answer
    x = 12,713,776.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.