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Finding the Third Proportional to 8,723,988 and 19,180,572

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Solution

The third proportional to 8,723,988 and 19,180,572 is: 42,170,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723,988 : 19,180,572 = 19,180,572 : x
  2. Step 2: Convert to fraction form
    8,723,988/19,180,572 = 19,180,572/x
  3. Step 3: Cross multiply
    8,723,988x = 19,180,572 × 19,180,572
  4. Step 4: Simplify right side
    8,723,988x = 367,894,342,247,184
  5. Step 5: Solve for x
    x = 367,894,342,247,184/8,723,988
  6. Step 6: Final answer
    x = 42,170,431.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.