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Finding the Third Proportional to 8,817,131.81 and 13,618,837.13

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Solution

The third proportional to 8,817,131.81 and 13,618,837.13 is: 21,035,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817,131.81 : 13,618,837.13 = 13,618,837.13 : x
  2. Step 2: Convert to fraction form
    8,817,131.81/13,618,837.13 = 13,618,837.13/x
  3. Step 3: Cross multiply
    8,817,131.81x = 13,618,837.13 × 13,618,837.13
  4. Step 4: Simplify right side
    8,817,131.81x = 185,472,724,637,278.25
  5. Step 5: Solve for x
    x = 185,472,724,637,278.25/8,817,131.81
  6. Step 6: Final answer
    x = 21,035,494.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.