Home / 12,320,758.13-19,153,153.69

Finding the Third Proportional to 12,320,758.13 and 19,153,153.69

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Solution

The third proportional to 12,320,758.13 and 19,153,153.69 is: 29,774,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,758.13 : 19,153,153.69 = 19,153,153.69 : x
  2. Step 2: Convert to fraction form
    12,320,758.13/19,153,153.69 = 19,153,153.69/x
  3. Step 3: Cross multiply
    12,320,758.13x = 19,153,153.69 × 19,153,153.69
  4. Step 4: Simplify right side
    12,320,758.13x = 366,843,296,176,994.88
  5. Step 5: Solve for x
    x = 366,843,296,176,994.88/12,320,758.13
  6. Step 6: Final answer
    x = 29,774,409.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.