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Finding the Third Proportional to 13,259,782.13 and 19,808,011.13

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Solution

The third proportional to 13,259,782.13 and 19,808,011.13 is: 29,590,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,782.13 : 19,808,011.13 = 19,808,011.13 : x
  2. Step 2: Convert to fraction form
    13,259,782.13/19,808,011.13 = 19,808,011.13/x
  3. Step 3: Cross multiply
    13,259,782.13x = 19,808,011.13 × 19,808,011.13
  4. Step 4: Simplify right side
    13,259,782.13x = 392,357,304,728,123.75
  5. Step 5: Solve for x
    x = 392,357,304,728,123.75/13,259,782.13
  6. Step 6: Final answer
    x = 29,590,026.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.