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Finding the Third Proportional to 19,849,601.81 and 42,996,835.13

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Solution

The third proportional to 19,849,601.81 and 42,996,835.13 is: 93,136,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849,601.81 : 42,996,835.13 = 42,996,835.13 : x
  2. Step 2: Convert to fraction form
    19,849,601.81/42,996,835.13 = 42,996,835.13/x
  3. Step 3: Cross multiply
    19,849,601.81x = 42,996,835.13 × 42,996,835.13
  4. Step 4: Simplify right side
    19,849,601.81x = 1,848,727,830,766,433.75
  5. Step 5: Solve for x
    x = 1,848,727,830,766,433.75/19,849,601.81
  6. Step 6: Final answer
    x = 93,136,771.62

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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.