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Finding the Third Proportional to 399,088.13 and 867,066.75

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Solution

The third proportional to 399,088.13 and 867,066.75 is: 1,883,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,088.13 : 867,066.75 = 867,066.75 : x
  2. Step 2: Convert to fraction form
    399,088.13/867,066.75 = 867,066.75/x
  3. Step 3: Cross multiply
    399,088.13x = 867,066.75 × 867,066.75
  4. Step 4: Simplify right side
    399,088.13x = 751,804,748,955.56
  5. Step 5: Solve for x
    x = 751,804,748,955.56/399,088.13
  6. Step 6: Final answer
    x = 1,883,806.36

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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.