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Finding the Third Proportional to 240,230 and 556,070

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Solution

The third proportional to 240,230 and 556,070 is: 1,287,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,230 : 556,070 = 556,070 : x
  2. Step 2: Convert to fraction form
    240,230/556,070 = 556,070/x
  3. Step 3: Cross multiply
    240,230x = 556,070 × 556,070
  4. Step 4: Simplify right side
    240,230x = 309,213,844,900
  5. Step 5: Solve for x
    x = 309,213,844,900/240,230
  6. Step 6: Final answer
    x = 1,287,157.49

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.