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Finding the Third Proportional to 19,679,748 and 42,704,668

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Solution

The third proportional to 19,679,748 and 42,704,668 is: 92,668,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,748 : 42,704,668 = 42,704,668 : x
  2. Step 2: Convert to fraction form
    19,679,748/42,704,668 = 42,704,668/x
  3. Step 3: Cross multiply
    19,679,748x = 42,704,668 × 42,704,668
  4. Step 4: Simplify right side
    19,679,748x = 1,823,688,668,990,224
  5. Step 5: Solve for x
    x = 1,823,688,668,990,224/19,679,748
  6. Step 6: Final answer
    x = 92,668,293.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.