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Finding the Third Proportional to 145,171.13 and 313,303.50

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Solution

The third proportional to 145,171.13 and 313,303.50 is: 676,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,171.13 : 313,303.50 = 313,303.50 : x
  2. Step 2: Convert to fraction form
    145,171.13/313,303.50 = 313,303.50/x
  3. Step 3: Cross multiply
    145,171.13x = 313,303.50 × 313,303.50
  4. Step 4: Simplify right side
    145,171.13x = 98,159,083,112.25
  5. Step 5: Solve for x
    x = 98,159,083,112.25/145,171.13
  6. Step 6: Final answer
    x = 676,161.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.