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Finding the Third Proportional to 386,026.50 and 556,894.50

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Solution

The third proportional to 386,026.50 and 556,894.50 is: 803,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,026.50 : 556,894.50 = 556,894.50 : x
  2. Step 2: Convert to fraction form
    386,026.50/556,894.50 = 556,894.50/x
  3. Step 3: Cross multiply
    386,026.50x = 556,894.50 × 556,894.50
  4. Step 4: Simplify right side
    386,026.50x = 310,131,484,130.25
  5. Step 5: Solve for x
    x = 310,131,484,130.25/386,026.50
  6. Step 6: Final answer
    x = 803,394.29

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.