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Finding the Third Proportional to 144,577.50 and 313,291.50

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Solution

The third proportional to 144,577.50 and 313,291.50 is: 678,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,577.50 : 313,291.50 = 313,291.50 : x
  2. Step 2: Convert to fraction form
    144,577.50/313,291.50 = 313,291.50/x
  3. Step 3: Cross multiply
    144,577.50x = 313,291.50 × 313,291.50
  4. Step 4: Simplify right side
    144,577.50x = 98,151,563,972.25
  5. Step 5: Solve for x
    x = 98,151,563,972.25/144,577.50
  6. Step 6: Final answer
    x = 678,885.47

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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.