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Finding the Third Proportional to 142,952 and 310,803.75

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Solution

The third proportional to 142,952 and 310,803.75 is: 675,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,952 : 310,803.75 = 310,803.75 : x
  2. Step 2: Convert to fraction form
    142,952/310,803.75 = 310,803.75/x
  3. Step 3: Cross multiply
    142,952x = 310,803.75 × 310,803.75
  4. Step 4: Simplify right side
    142,952x = 96,598,971,014.06
  5. Step 5: Solve for x
    x = 96,598,971,014.06/142,952
  6. Step 6: Final answer
    x = 675,744.10

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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.