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Finding the Third Proportional to 19,461,902.63 and 42,808,753.13

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Solution

The third proportional to 19,461,902.63 and 42,808,753.13 is: 94,162,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461,902.63 : 42,808,753.13 = 42,808,753.13 : x
  2. Step 2: Convert to fraction form
    19,461,902.63/42,808,753.13 = 42,808,753.13/x
  3. Step 3: Cross multiply
    19,461,902.63x = 42,808,753.13 × 42,808,753.13
  4. Step 4: Simplify right side
    19,461,902.63x = 1,832,589,344,117,197.25
  5. Step 5: Solve for x
    x = 1,832,589,344,117,197.25/19,461,902.63
  6. Step 6: Final answer
    x = 94,162,907.88

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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.