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Finding the Third Proportional to 12,687,869.25 and 19,035,693

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Solution

The third proportional to 12,687,869.25 and 19,035,693 is: 28,559,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,869.25 : 19,035,693 = 19,035,693 : x
  2. Step 2: Convert to fraction form
    12,687,869.25/19,035,693 = 19,035,693/x
  3. Step 3: Cross multiply
    12,687,869.25x = 19,035,693 × 19,035,693
  4. Step 4: Simplify right side
    12,687,869.25x = 362,357,607,990,249
  5. Step 5: Solve for x
    x = 362,357,607,990,249/12,687,869.25
  6. Step 6: Final answer
    x = 28,559,374.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.